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Sweden-Number/dlls/comctl32/header.c

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/*
* Header control
*
* Copyright 1998 Eric Kohl
* Copyright 2000 Eric Kohl for CodeWeavers
* Copyright 2003 Maxime Bellenge
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*
* TODO:
* - Imagelist support (partially).
* - Callback items (under construction).
* - Hottrack support (partially).
* - Custom draw support (including Notifications).
* - Drag and Drop support (including Notifications).
* - New messages.
* - Use notification format
* - Correct the order maintenance code to preserve valid order
*
*/
#include <stdarg.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "wine/unicode.h"
#include "wingdi.h"
#include "winuser.h"
#include "winnls.h"
#include "commctrl.h"
#include "comctl32.h"
#include "imagelist.h"
#include "tmschema.h"
#include "uxtheme.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(header);
typedef struct
{
INT cxy;
HBITMAP hbm;
LPWSTR pszText;
INT fmt;
LPARAM lParam;
INT iImage;
INT iOrder; /* see documentation of HD_ITEM */
BOOL bDown; /* is item pressed? (used for drawing) */
RECT rect; /* bounding rectangle of the item */
DWORD callbackMask; /* HDI_* flags for items that are callback */
} HEADER_ITEM;
typedef struct
{
HWND hwndNotify; /* Owner window to send notifications to */
INT nNotifyFormat; /* format used for WM_NOTIFY messages */
UINT uNumItem; /* number of items (columns) */
INT nHeight; /* height of the header (pixels) */
HFONT hFont; /* handle to the current font */
HCURSOR hcurArrow; /* handle to the arrow cursor */
HCURSOR hcurDivider; /* handle to a cursor (used over dividers) <-|-> */
HCURSOR hcurDivopen; /* handle to a cursor (used over dividers) <-||-> */
BOOL bCaptured; /* Is the mouse captured? */
BOOL bPressed; /* Is a header item pressed (down)? */
BOOL bTracking; /* Is in tracking mode? */
INT iMoveItem; /* index of tracked item. (Tracking mode) */
INT xTrackOffset; /* distance between the right side of the tracked item and the cursor */
INT xOldTrack; /* track offset (see above) after the last WM_MOUSEMOVE */
INT nOldWidth; /* width of a sizing item after the last WM_MOUSEMOVE */
INT iHotItem; /* index of hot item (cursor is over this item) */
INT iMargin; /* width of the margin that surrounds a bitmap */
HIMAGELIST himl; /* handle to an image list (may be 0) */
HEADER_ITEM *items; /* pointer to array of HEADER_ITEM's */
INT *order; /* array of item IDs indexed by order */
BOOL bRectsValid; /* validity flag for bounding rectangles */
} HEADER_INFO;
#define VERT_BORDER 4
#define DIVIDER_WIDTH 10
#define MAX_HEADER_TEXT_LEN 260
#define HDN_UNICODE_OFFSET 20
#define HDN_FIRST_UNICODE (HDN_FIRST-HDN_UNICODE_OFFSET)
#define HDI_SUPPORTED_FIELDS (HDI_WIDTH|HDI_TEXT|HDI_FORMAT|HDI_LPARAM|HDI_BITMAP|HDI_IMAGE|HDI_ORDER)
#define HDI_UNSUPPORTED_FIELDS (HDI_FILTER)
#define HDI_UNKNOWN_FIELDS (~(HDI_SUPPORTED_FIELDS|HDI_UNSUPPORTED_FIELDS|HDI_DI_SETITEM))
#define HDI_COMCTL32_4_0_FIELDS (HDI_WIDTH|HDI_TEXT|HDI_FORMAT|HDI_LPARAM|HDI_BITMAP)
#define HEADER_GetInfoPtr(hwnd) ((HEADER_INFO *)GetWindowLongPtrW(hwnd,0))
static BOOL HEADER_PrepareCallbackItems(HWND hwnd, INT iItem, INT reqMask);
static void HEADER_FreeCallbackItems(HEADER_ITEM *lpItem);
static const WCHAR themeClass[] = {'H','e','a','d','e','r',0};
static WCHAR emptyString[] = {0};
static void HEADER_DisposeItem(HEADER_ITEM *lpItem)
{
if (lpItem->pszText)
{
Free(lpItem->pszText);
}
}
static void HEADER_StoreHDItemInHeader(HEADER_ITEM *lpItem, UINT mask, HDITEMW *phdi, BOOL fUnicode)
{
if (mask & HDI_UNSUPPORTED_FIELDS)
FIXME("unsupported header fields %x\n", (mask & HDI_UNSUPPORTED_FIELDS));
if (mask & HDI_BITMAP)
lpItem->hbm = phdi->hbm;
if (mask & HDI_FORMAT)
lpItem->fmt = phdi->fmt;
if (mask & HDI_LPARAM)
lpItem->lParam = phdi->lParam;
if (mask & HDI_WIDTH)
lpItem->cxy = phdi->cxy;
if (mask & HDI_IMAGE)
{
lpItem->iImage = phdi->iImage;
if (phdi->iImage == I_IMAGECALLBACK)
lpItem->callbackMask |= HDI_IMAGE;
else
lpItem->callbackMask &= ~HDI_IMAGE;
}
if (mask & HDI_TEXT)
{
if (lpItem->pszText)
{
Free(lpItem->pszText);
lpItem->pszText = NULL;
}
if (phdi->pszText != LPSTR_TEXTCALLBACKW) /* covers != TEXTCALLBACKA too */
{
LPWSTR pszText = (phdi->pszText != NULL ? phdi->pszText : emptyString);
if (fUnicode)
Str_SetPtrW(&lpItem->pszText, pszText);
else
Str_SetPtrAtoW(&lpItem->pszText, (LPSTR)pszText);
lpItem->callbackMask &= ~HDI_TEXT;
}
else
{
lpItem->pszText = NULL;
lpItem->callbackMask |= HDI_TEXT;
}
}
}
inline static LRESULT
HEADER_IndexToOrder (HWND hwnd, INT iItem)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
HEADER_ITEM *lpItem = &infoPtr->items[iItem];
return lpItem->iOrder;
}
static INT
HEADER_OrderToIndex(HWND hwnd, WPARAM wParam)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
INT iorder = (INT)wParam;
if ((iorder <0) || iorder >= infoPtr->uNumItem)
return iorder;
return infoPtr->order[iorder];
}
static void
HEADER_SetItemBounds (HWND hwnd)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
HEADER_ITEM *phdi;
RECT rect;
unsigned int i;
int x;
infoPtr->bRectsValid = TRUE;
if (infoPtr->uNumItem == 0)
return;
GetClientRect (hwnd, &rect);
x = rect.left;
for (i = 0; i < infoPtr->uNumItem; i++) {
phdi = &infoPtr->items[HEADER_OrderToIndex(hwnd,i)];
phdi->rect.top = rect.top;
phdi->rect.bottom = rect.bottom;
phdi->rect.left = x;
phdi->rect.right = phdi->rect.left + ((phdi->cxy>0)?phdi->cxy:0);
x = phdi->rect.right;
}
}
static LRESULT
HEADER_Size (HWND hwnd, WPARAM wParam)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
infoPtr->bRectsValid = FALSE;
return 0;
}
static INT
HEADER_DrawItem (HWND hwnd, HDC hdc, INT iItem, BOOL bHotTrack)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
HEADER_ITEM *phdi = &infoPtr->items[iItem];
RECT r;
INT oldBkMode, cxEdge = GetSystemMetrics(SM_CXEDGE);
HTHEME theme = GetWindowTheme (hwnd);
NMCUSTOMDRAW nmcd;
TRACE("DrawItem(iItem %d bHotTrack %d unicode flag %d)\n", iItem, bHotTrack, (infoPtr->nNotifyFormat == NFR_UNICODE));
if (!infoPtr->bRectsValid)
HEADER_SetItemBounds(hwnd);
r = phdi->rect;
if (r.right - r.left == 0)
return phdi->rect.right;
if (theme != NULL) {
int state = (phdi->bDown) ? HIS_PRESSED :
(bHotTrack ? HIS_HOT : HIS_NORMAL);
DrawThemeBackground (theme, hdc, HP_HEADERITEM, state,
&r, NULL);
GetThemeBackgroundContentRect (theme, hdc, HP_HEADERITEM, state,
&r, &r);
}
else {
if (GetWindowLongW (hwnd, GWL_STYLE) & HDS_BUTTONS) {
if (phdi->bDown) {
DrawEdge (hdc, &r, BDR_RAISEDOUTER,
BF_RECT | BF_FLAT | BF_MIDDLE | BF_ADJUST);
}
else
DrawEdge (hdc, &r, EDGE_RAISED,
BF_RECT | BF_SOFT | BF_MIDDLE | BF_ADJUST);
}
else
DrawEdge (hdc, &r, EDGE_ETCHED, BF_BOTTOM | BF_RIGHT | BF_ADJUST);
}
if (phdi->bDown) {
r.left += 2;
r.top += 2;
}
r.left -= cxEdge;
r.right += cxEdge;
/* Set the colors before sending NM_CUSTOMDRAW so that it can change them */
SetTextColor (hdc, (bHotTrack && !theme) ? COLOR_HIGHLIGHT : COLOR_BTNTEXT);
SetBkColor(hdc, GetSysColor(COLOR_3DFACE));
nmcd.hdr.hwndFrom = hwnd;
nmcd.hdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
nmcd.hdr.code = NM_CUSTOMDRAW;
nmcd.dwDrawStage = CDDS_PREPAINT | CDDS_ITEM | CDDS_ITEMPOSTERASE;
nmcd.hdc = hdc;
nmcd.dwItemSpec = iItem;
nmcd.rc = r;
nmcd.uItemState = phdi->bDown ? CDIS_SELECTED : 0;
nmcd.lItemlParam = phdi->lParam;
SendMessageW (infoPtr->hwndNotify, WM_NOTIFY, nmcd.hdr.idFrom, (LPARAM)&nmcd);
if (phdi->fmt & HDF_OWNERDRAW) {
DRAWITEMSTRUCT dis;
dis.CtlType = ODT_HEADER;
dis.CtlID = GetWindowLongPtrW (hwnd, GWLP_ID);
dis.itemID = iItem;
dis.itemAction = ODA_DRAWENTIRE;
dis.itemState = phdi->bDown ? ODS_SELECTED : 0;
dis.hwndItem = hwnd;
dis.hDC = hdc;
dis.rcItem = r;
dis.itemData = phdi->lParam;
oldBkMode = SetBkMode(hdc, TRANSPARENT);
SendMessageW (infoPtr->hwndNotify, WM_DRAWITEM,
(WPARAM)dis.CtlID, (LPARAM)&dis);
if (oldBkMode != TRANSPARENT)
SetBkMode(hdc, oldBkMode);
}
else {
UINT rw, rh, /* width and height of r */
*x = NULL, *w = NULL; /* x and width of the pic (bmp or img) which is part of cnt */
/* cnt,txt,img,bmp */
UINT cx, tx, ix, bx,
cw, tw, iw, bw;
BITMAP bmp;
HEADER_PrepareCallbackItems(hwnd, iItem, HDI_TEXT|HDI_IMAGE);
cw = tw = iw = bw = 0;
rw = r.right - r.left;
rh = r.bottom - r.top;
if (theme == NULL) {
HBRUSH hbr = CreateSolidBrush(GetBkColor(hdc));
RECT rcBackground = r;
rcBackground.right -= cxEdge;
rcBackground.left += cxEdge;
FillRect(hdc, &rcBackground, hbr);
DeleteObject(hbr);
}
if (phdi->fmt & HDF_STRING) {
RECT textRect;
DrawTextW (hdc, phdi->pszText, -1,
&textRect, DT_LEFT|DT_VCENTER|DT_SINGLELINE|DT_CALCRECT);
cw = textRect.right - textRect.left + 2 * infoPtr->iMargin;
}
if ((phdi->fmt & HDF_IMAGE) && (infoPtr->himl)) {
iw = infoPtr->himl->cx + 2 * infoPtr->iMargin;
x = &ix;
w = &iw;
}
if ((phdi->fmt & HDF_BITMAP) && (phdi->hbm)) {
GetObjectW (phdi->hbm, sizeof(BITMAP), (LPVOID)&bmp);
bw = bmp.bmWidth + 2 * infoPtr->iMargin;
if (!iw) {
x = &bx;
w = &bw;
}
}
if (bw || iw)
cw += *w;
/* align cx using the unclipped cw */
if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_LEFT)
cx = r.left;
else if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_CENTER)
cx = r.left + rw / 2 - cw / 2;
else /* HDF_RIGHT */
cx = r.right - cw;
/* clip cx & cw */
if (cx < r.left)
cx = r.left;
if (cx + cw > r.right)
cw = r.right - cx;
tx = cx + infoPtr->iMargin;
/* since cw might have changed we have to recalculate tw */
tw = cw - infoPtr->iMargin * 2;
if (iw || bw) {
tw -= *w;
if (phdi->fmt & HDF_BITMAP_ON_RIGHT) {
/* put pic behind text */
*x = cx + tw + infoPtr->iMargin * 3;
} else {
*x = cx + infoPtr->iMargin;
/* move text behind pic */
tx += *w;
}
}
if (iw && bw) {
/* since we're done with the layout we can
now calculate the position of bmp which
has no influence on alignment and layout
because of img */
if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_RIGHT)
bx = cx - bw + infoPtr->iMargin;
else
bx = cx + cw + infoPtr->iMargin;
}
if (iw || bw) {
HDC hClipDC = GetDC(hwnd);
HRGN hClipRgn = CreateRectRgn(r.left, r.top, r.right, r.bottom);
SelectClipRgn(hClipDC, hClipRgn);
if (bw) {
HDC hdcBitmap = CreateCompatibleDC (hClipDC);
SelectObject (hdcBitmap, phdi->hbm);
BitBlt (hClipDC, bx, r.top + ((INT)rh - bmp.bmHeight) / 2,
bmp.bmWidth, bmp.bmHeight, hdcBitmap, 0, 0, SRCCOPY);
DeleteDC (hdcBitmap);
}
if (iw) {
ImageList_DrawEx (infoPtr->himl, phdi->iImage, hClipDC,
ix, r.top + ((INT)rh - infoPtr->himl->cy) / 2,
infoPtr->himl->cx, infoPtr->himl->cy, CLR_DEFAULT, CLR_DEFAULT, 0);
}
DeleteObject(hClipRgn);
ReleaseDC(hwnd, hClipDC);
}
if (((phdi->fmt & HDF_STRING)
|| (!(phdi->fmt & (HDF_OWNERDRAW|HDF_STRING|HDF_BITMAP|
HDF_BITMAP_ON_RIGHT|HDF_IMAGE)))) /* no explicit format specified? */
&& (phdi->pszText)) {
oldBkMode = SetBkMode(hdc, TRANSPARENT);
r.left = tx;
r.right = tx + tw;
DrawTextW (hdc, phdi->pszText, -1,
&r, DT_LEFT|DT_END_ELLIPSIS|DT_VCENTER|DT_SINGLELINE);
if (oldBkMode != TRANSPARENT)
SetBkMode(hdc, oldBkMode);
}
HEADER_FreeCallbackItems(phdi);
}/*Ownerdrawn*/
return phdi->rect.right;
}
static void
HEADER_Refresh (HWND hwnd, HDC hdc)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
HFONT hFont, hOldFont;
RECT rect;
HBRUSH hbrBk;
UINT i;
INT x;
HTHEME theme = GetWindowTheme (hwnd);
/* get rect for the bar, adjusted for the border */
GetClientRect (hwnd, &rect);
hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
hOldFont = SelectObject (hdc, hFont);
/* draw Background */
if (infoPtr->uNumItem == 0 && theme == NULL) {
hbrBk = GetSysColorBrush(COLOR_3DFACE);
FillRect(hdc, &rect, hbrBk);
}
x = rect.left;
for (i = 0; x <= rect.right && i < infoPtr->uNumItem; i++) {
x = HEADER_DrawItem (hwnd, hdc, HEADER_OrderToIndex(hwnd,i),
infoPtr->iHotItem == i);
}
if ((x <= rect.right) && (infoPtr->uNumItem > 0)) {
rect.left = x;
if (theme != NULL) {
DrawThemeBackground (theme, hdc, HP_HEADERITEM, HIS_NORMAL, &rect,
NULL);
}
else {
if (GetWindowLongW (hwnd, GWL_STYLE) & HDS_BUTTONS)
DrawEdge (hdc, &rect, EDGE_RAISED, BF_TOP|BF_LEFT|BF_BOTTOM|BF_SOFT|BF_MIDDLE);
else
DrawEdge (hdc, &rect, EDGE_ETCHED, BF_BOTTOM|BF_MIDDLE);
}
}
SelectObject (hdc, hOldFont);
}
static void
HEADER_RefreshItem (HWND hwnd, HDC hdc, INT iItem)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
HFONT hFont, hOldFont;
hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
hOldFont = SelectObject (hdc, hFont);
HEADER_DrawItem (hwnd, hdc, iItem, infoPtr->iHotItem == iItem);
SelectObject (hdc, hOldFont);
}
static void
HEADER_InternalHitTest (HWND hwnd, LPPOINT lpPt, UINT *pFlags, INT *pItem)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
RECT rect, rcTest;
UINT iCount;
INT width;
BOOL bNoWidth;
GetClientRect (hwnd, &rect);
*pFlags = 0;
bNoWidth = FALSE;
if (PtInRect (&rect, *lpPt))
{
if (infoPtr->uNumItem == 0) {
*pFlags |= HHT_NOWHERE;
*pItem = 1;
TRACE("NOWHERE\n");
return;
}
else {
/* somewhere inside */
for (iCount = 0; iCount < infoPtr->uNumItem; iCount++) {
rect = infoPtr->items[iCount].rect;
width = rect.right - rect.left;
if (width == 0) {
bNoWidth = TRUE;
continue;
}
if (PtInRect (&rect, *lpPt)) {
if (width <= 2 * DIVIDER_WIDTH) {
*pFlags |= HHT_ONHEADER;
*pItem = iCount;
TRACE("ON HEADER %d\n", iCount);
return;
}
if (iCount > 0) {
rcTest = rect;
rcTest.right = rcTest.left + DIVIDER_WIDTH;
if (PtInRect (&rcTest, *lpPt)) {
if (bNoWidth) {
*pFlags |= HHT_ONDIVOPEN;
*pItem = iCount - 1;
TRACE("ON DIVOPEN %d\n", *pItem);
return;
}
else {
*pFlags |= HHT_ONDIVIDER;
*pItem = iCount - 1;
TRACE("ON DIVIDER %d\n", *pItem);
return;
}
}
}
rcTest = rect;
rcTest.left = rcTest.right - DIVIDER_WIDTH;
if (PtInRect (&rcTest, *lpPt)) {
*pFlags |= HHT_ONDIVIDER;
*pItem = iCount;
TRACE("ON DIVIDER %d\n", *pItem);
return;
}
*pFlags |= HHT_ONHEADER;
*pItem = iCount;
TRACE("ON HEADER %d\n", iCount);
return;
}
}
/* check for last divider part (on nowhere) */
rect = infoPtr->items[infoPtr->uNumItem-1].rect;
rect.left = rect.right;
rect.right += DIVIDER_WIDTH;
if (PtInRect (&rect, *lpPt)) {
if (bNoWidth) {
*pFlags |= HHT_ONDIVOPEN;
*pItem = infoPtr->uNumItem - 1;
TRACE("ON DIVOPEN %d\n", *pItem);
return;
}
else {
*pFlags |= HHT_ONDIVIDER;
*pItem = infoPtr->uNumItem-1;
TRACE("ON DIVIDER %d\n", *pItem);
return;
}
}
*pFlags |= HHT_NOWHERE;
*pItem = 1;
TRACE("NOWHERE\n");
return;
}
}
else {
if (lpPt->x < rect.left) {
TRACE("TO LEFT\n");
*pFlags |= HHT_TOLEFT;
}
else if (lpPt->x > rect.right) {
TRACE("TO RIGHT\n");
*pFlags |= HHT_TORIGHT;
}
if (lpPt->y < rect.top) {
TRACE("ABOVE\n");
*pFlags |= HHT_ABOVE;
}
else if (lpPt->y > rect.bottom) {
TRACE("BELOW\n");
*pFlags |= HHT_BELOW;
}
}
*pItem = 1;
TRACE("flags=0x%X\n", *pFlags);
return;
}
static void
HEADER_DrawTrackLine (HWND hwnd, HDC hdc, INT x)
{
RECT rect;
HPEN hOldPen;
INT oldRop;
GetClientRect (hwnd, &rect);
hOldPen = SelectObject (hdc, GetStockObject (BLACK_PEN));
oldRop = SetROP2 (hdc, R2_XORPEN);
MoveToEx (hdc, x, rect.top, NULL);
LineTo (hdc, x, rect.bottom);
SetROP2 (hdc, oldRop);
SelectObject (hdc, hOldPen);
}
/***
* DESCRIPTION:
* Convert a HDITEM into the correct format (ANSI/Unicode) to send it in a notify
*
* PARAMETER(S):
* [I] infoPtr : the header that wants to send the notify
* [O] dest : The buffer to store the HDITEM for notify. It may be set to a HDITEMA of HDITEMW
* [I] src : The source HDITEM. It may be a HDITEMA or HDITEMW
* [I] fSourceUnicode : is src a HDITEMW or HDITEMA
* [O] ppvScratch : a pointer to a scratch buffer that needs to be freed after
* the HDITEM is no longer in use or NULL if none was needed
*
* NOTE: We depend on HDITEMA and HDITEMW having the same structure
*/
static void HEADER_CopyHDItemForNotify(HEADER_INFO *infoPtr, HDITEMW *dest,
HDITEMW *src, BOOL fSourceUnicode, LPVOID *ppvScratch)
{
*ppvScratch = NULL;
*dest = *src;
if (src->mask & HDI_TEXT && src->pszText != LPSTR_TEXTCALLBACKW) /* covers TEXTCALLBACKA as well */
{
if (fSourceUnicode && infoPtr->nNotifyFormat != NFR_UNICODE)
{
dest->pszText = NULL;
Str_SetPtrWtoA((LPSTR *)&dest->pszText, src->pszText);
*ppvScratch = dest->pszText;
}
if (!fSourceUnicode && infoPtr->nNotifyFormat == NFR_UNICODE)
{
dest->pszText = NULL;
Str_SetPtrAtoW(&dest->pszText, (LPSTR)src->pszText);
*ppvScratch = dest->pszText;
}
}
}
static UINT HEADER_NotifyCodeWtoA(UINT code)
{
/* we use the fact that all the unicode messages are in HDN_FIRST_UNICODE..HDN_LAST*/
if (code >= HDN_LAST && code <= HDN_FIRST_UNICODE)
return code + HDN_UNICODE_OFFSET;
else
return code;
}
static BOOL
HEADER_SendSimpleNotify (HWND hwnd, UINT code)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
NMHDR nmhdr;
nmhdr.hwndFrom = hwnd;
nmhdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
nmhdr.code = code;
return (BOOL)SendMessageW (infoPtr->hwndNotify, WM_NOTIFY,
(WPARAM)nmhdr.idFrom, (LPARAM)&nmhdr);
}
static BOOL
HEADER_SendHeaderNotifyT (HWND hwnd, UINT code, INT iItem, INT mask, HDITEMW *lpItem)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
NMHEADERW nmhdr;
HDITEMW nmitem;
if (lpItem == NULL)
{
/* lpItem == NULL means that we should take the actual data from the item */
if (mask & HDI_TEXT)
{
FIXME("(): invalid parameters - lpItem == NULL and (mask & HDI_TEXT)\n");
mask &= ~HDI_TEXT;
}
nmitem.mask = mask;
nmitem.cxy = infoPtr->items[iItem].cxy;
nmitem.hbm = infoPtr->items[iItem].hbm;
nmitem.pszText = NULL;
nmitem.cchTextMax = 0;
nmitem.fmt = infoPtr->items[iItem].fmt;
nmitem.lParam = infoPtr->items[iItem].lParam;
nmitem.iOrder = infoPtr->items[iItem].iOrder;
nmitem.iImage = infoPtr->items[iItem].iImage;
lpItem = &nmitem;
}
nmhdr.hdr.hwndFrom = hwnd;
nmhdr.hdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
nmhdr.hdr.code = (infoPtr->nNotifyFormat == NFR_UNICODE ? code : HEADER_NotifyCodeWtoA(code));
nmhdr.iItem = iItem;
nmhdr.iButton = 0;
nmhdr.pitem = lpItem;
return (BOOL)SendMessageW (infoPtr->hwndNotify, WM_NOTIFY,
(WPARAM)nmhdr.hdr.idFrom, (LPARAM)&nmhdr);
}
/**
* Prepare callback items
* depends on NMHDDISPINFOW having same structure as NMHDDISPINFOA
* (so we handle the two cases only doing a specific cast for pszText).
* Checks if any of the required field are callback. If there are sends a
* NMHDISPINFO notify to retrieve these items. The items are stored in the
* HEADER_ITEM pszText and iImage fields. They should be freed with
* HEADER_FreeCallbackItems.
*
* @param hwnd : hwnd header container handler
* @param iItem : the header item id
* @param reqMask : required fields. If any of them is callback this function will fetch it
*
* @return TRUE on success, else FALSE
*/
static BOOL
HEADER_PrepareCallbackItems(HWND hwnd, INT iItem, INT reqMask)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
HEADER_ITEM *lpItem = &infoPtr->items[iItem];
DWORD mask = reqMask & lpItem->callbackMask;
NMHDDISPINFOW dispInfo;
void *pvBuffer = NULL;
if (mask == 0)
return TRUE;
if (mask&HDI_TEXT && lpItem->pszText != NULL)
{
ERR("(): function called without a call to FreeCallbackItems\n");
Free(lpItem->pszText);
lpItem->pszText = NULL;
}
memset(&dispInfo, 0, sizeof(NMHDDISPINFOW));
dispInfo.hdr.hwndFrom = hwnd;
dispInfo.hdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
if (infoPtr->nNotifyFormat == NFR_UNICODE)
{
dispInfo.hdr.code = HDN_GETDISPINFOW;
if (mask & HDI_TEXT)
pvBuffer = Alloc(MAX_HEADER_TEXT_LEN * sizeof(WCHAR));
}
else
{
dispInfo.hdr.code = HDN_GETDISPINFOA;
if (mask & HDI_TEXT)
pvBuffer = Alloc(MAX_HEADER_TEXT_LEN * sizeof(CHAR));
}
dispInfo.pszText = (LPWSTR)pvBuffer;
dispInfo.cchTextMax = (pvBuffer!=NULL?MAX_HEADER_TEXT_LEN:0);
dispInfo.iItem = iItem;
dispInfo.mask = mask;
dispInfo.lParam = lpItem->lParam;
TRACE("Sending HDN_GETDISPINFO%c\n", infoPtr->nNotifyFormat == NFR_UNICODE?'W':'A');
SendMessageW(infoPtr->hwndNotify, WM_NOTIFY,
(WPARAM) dispInfo.hdr.idFrom,
(LPARAM) &dispInfo);
TRACE("SendMessage returns(mask:0x%x,str:%s,lParam:%p)\n",
dispInfo.mask,
(infoPtr->nNotifyFormat == NFR_UNICODE ? debugstr_w(dispInfo.pszText) : (LPSTR) dispInfo.pszText),
(void*) dispInfo.lParam);
if (mask & HDI_IMAGE)
lpItem->iImage = dispInfo.iImage;
if (mask & HDI_TEXT)
{
if (infoPtr->nNotifyFormat == NFR_UNICODE)
{
lpItem->pszText = (LPWSTR)pvBuffer;
/* the user might have used his own buffer */
if (dispInfo.pszText != lpItem->pszText)
Str_GetPtrW(dispInfo.pszText, lpItem->pszText, MAX_HEADER_TEXT_LEN);
}
else
{
Str_SetPtrAtoW(&lpItem->pszText, (LPSTR)dispInfo.pszText);
Free(pvBuffer);
}
}
if (dispInfo.mask & HDI_DI_SETITEM)
{
/* make the items permanent */
lpItem->callbackMask &= ~dispInfo.mask;
}
return TRUE;
}
/***
* DESCRIPTION:
* Free the items that might be allocated with HEADER_PrepareCallbackItems
*
* PARAMETER(S):
* [I] lpItem : the item to free the data
*
*/
static void
HEADER_FreeCallbackItems(HEADER_ITEM *lpItem)
{
if (lpItem->callbackMask&HDI_TEXT && lpItem->pszText != NULL)
{
Free(lpItem->pszText);
lpItem->pszText = NULL;
}
if (lpItem->callbackMask&HDI_IMAGE)
lpItem->iImage = I_IMAGECALLBACK;
}
static BOOL
HEADER_SendClickNotify (HWND hwnd, UINT code, INT iItem)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
NMHEADERA nmhdr;
nmhdr.hdr.hwndFrom = hwnd;
nmhdr.hdr.idFrom = GetWindowLongPtrW (hwnd, GWLP_ID);
nmhdr.hdr.code = code;
nmhdr.iItem = iItem;
nmhdr.iButton = 0;
nmhdr.pitem = NULL;
return (BOOL)SendMessageA (infoPtr->hwndNotify, WM_NOTIFY,
(WPARAM)nmhdr.hdr.idFrom, (LPARAM)&nmhdr);
}
static LRESULT
HEADER_CreateDragImage (HWND hwnd, WPARAM wParam)
{
FIXME("empty stub!\n");
return 0;
}
static LRESULT
HEADER_DeleteItem (HWND hwnd, WPARAM wParam)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr(hwnd);
INT iItem = (INT)wParam;
TRACE("[iItem=%d]\n", iItem);
if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
return FALSE;
if (infoPtr->uNumItem == 1) {
TRACE("Simple delete!\n");
HEADER_DisposeItem(&infoPtr->items[0]);
Free (infoPtr->items);
Free(infoPtr->order);
infoPtr->items = 0;
infoPtr->order = 0;
infoPtr->uNumItem = 0;
}
else {
HEADER_ITEM *oldItems = infoPtr->items;
INT i;
INT iOrder;
TRACE("Complex delete! [iItem=%d]\n", iItem);
for (i = 0; i < infoPtr->uNumItem; i++)
TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
HEADER_DisposeItem(&infoPtr->items[iItem]);
iOrder = infoPtr->items[iItem].iOrder;
infoPtr->uNumItem--;
infoPtr->items = Alloc (sizeof (HEADER_ITEM) * infoPtr->uNumItem);
/* pre delete copy */
if (iItem > 0) {
memcpy (&infoPtr->items[0], &oldItems[0],
iItem * sizeof(HEADER_ITEM));
}
/* post delete copy */
if (iItem < infoPtr->uNumItem) {
memcpy (&infoPtr->items[iItem], &oldItems[iItem+1],
(infoPtr->uNumItem - iItem) * sizeof(HEADER_ITEM));
}
/* Correct the orders */
if (iOrder < infoPtr->uNumItem)
{
memmove(&infoPtr->order[iOrder], &infoPtr->order[iOrder + 1],
(infoPtr->uNumItem - iOrder) * sizeof(INT));
for (i = 0; i < infoPtr->uNumItem; i++)
{
if (infoPtr->order[i] > iItem)
infoPtr->order[i]--;
if (i >= iOrder)
infoPtr->items[infoPtr->order[i]].iOrder = infoPtr->order[i];
}
}
for (i = 0; i < infoPtr->uNumItem; i++)
TRACE("%d: order=%d, iOrder=%d, ->iOrder=%d\n", i, infoPtr->order[i], infoPtr->items[i].iOrder, infoPtr->items[infoPtr->order[i]].iOrder);
Free (oldItems);
}
HEADER_SetItemBounds (hwnd);
InvalidateRect(hwnd, NULL, FALSE);
return TRUE;
}
static LRESULT
HEADER_GetImageList (HWND hwnd)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
return (LRESULT)infoPtr->himl;
}
static LRESULT
HEADER_GetItemT (HWND hwnd, INT nItem, LPHDITEMW phdi, BOOL bUnicode)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
HEADER_ITEM *lpItem;
UINT mask = phdi->mask;
if (!phdi)
return FALSE;
TRACE("[nItem=%d]\n", nItem);
if (mask == 0)
return TRUE;
if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
return FALSE;
if (mask & HDI_UNKNOWN_FIELDS)
{
TRACE("mask %x contains unknown fields. Using only comctl32 4.0 fields\n", mask);
mask &= HDI_COMCTL32_4_0_FIELDS;
}
lpItem = &infoPtr->items[nItem];
HEADER_PrepareCallbackItems(hwnd, nItem, mask);
if (mask & HDI_BITMAP)
phdi->hbm = lpItem->hbm;
if (mask & HDI_FORMAT)
phdi->fmt = lpItem->fmt;
if (mask & HDI_WIDTH)
phdi->cxy = lpItem->cxy;
if (mask & HDI_LPARAM)
phdi->lParam = lpItem->lParam;
if (mask & HDI_IMAGE)
phdi->iImage = lpItem->iImage;
if (mask & HDI_ORDER)
phdi->iOrder = lpItem->iOrder;
if (mask & HDI_TEXT)
{
if (bUnicode)
Str_GetPtrW (lpItem->pszText, phdi->pszText, phdi->cchTextMax);
else
Str_GetPtrWtoA (lpItem->pszText, (LPSTR)phdi->pszText, phdi->cchTextMax);
}
HEADER_FreeCallbackItems(lpItem);
return TRUE;
}
inline static LRESULT
HEADER_GetItemCount (HWND hwnd)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
return infoPtr->uNumItem;
}
static LRESULT
HEADER_GetItemRect (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
INT iItem = (INT)wParam;
LPRECT lpRect = (LPRECT)lParam;
if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
return FALSE;
lpRect->left = infoPtr->items[iItem].rect.left;
lpRect->right = infoPtr->items[iItem].rect.right;
lpRect->top = infoPtr->items[iItem].rect.top;
lpRect->bottom = infoPtr->items[iItem].rect.bottom;
return TRUE;
}
static LRESULT
HEADER_GetOrderArray(HWND hwnd, WPARAM wParam, LPARAM lParam)
{
LPINT order = (LPINT) lParam;
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
if ((unsigned int)wParam <infoPtr->uNumItem)
return FALSE;
memcpy(order, infoPtr->order, infoPtr->uNumItem * sizeof(INT));
return TRUE;
}
static LRESULT
HEADER_SetOrderArray(HWND hwnd, WPARAM wParam, LPARAM lParam)
{
int i;
LPINT order = (LPINT) lParam;
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
HEADER_ITEM *lpItem;
if ((unsigned int)wParam <infoPtr->uNumItem)
return FALSE;
memcpy(infoPtr->order, order, infoPtr->uNumItem * sizeof(INT));
for (i=0; i<(int)wParam; i++)
{
lpItem = &infoPtr->items[*order++];
lpItem->iOrder=i;
}
infoPtr->bRectsValid=0;
InvalidateRect(hwnd, NULL, FALSE);
return TRUE;
}
inline static LRESULT
HEADER_GetUnicodeFormat (HWND hwnd)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
return (infoPtr->nNotifyFormat == NFR_UNICODE);
}
static LRESULT
HEADER_HitTest (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
LPHDHITTESTINFO phti = (LPHDHITTESTINFO)lParam;
HEADER_InternalHitTest (hwnd, &phti->pt, &phti->flags, &phti->iItem);
if (phti->flags == HHT_NOWHERE)
return -1;
else
return phti->iItem;
}
static LRESULT
HEADER_InsertItemT (HWND hwnd, INT nItem, LPHDITEMW phdi, BOOL bUnicode)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
HEADER_ITEM *lpItem;
INT iOrder;
UINT i;
UINT copyMask;
if ((phdi == NULL) || (nItem < 0) || (phdi->mask == 0))
return -1;
if (nItem > infoPtr->uNumItem)
nItem = infoPtr->uNumItem;
iOrder = (phdi->mask & HDI_ORDER) ? phdi->iOrder : nItem;
if (iOrder < 0)
iOrder = 0;
else if (infoPtr->uNumItem < iOrder)
iOrder = infoPtr->uNumItem;
if (infoPtr->uNumItem == 0) {
infoPtr->items = Alloc (sizeof (HEADER_ITEM));
infoPtr->order = Alloc(sizeof(INT));
infoPtr->uNumItem++;
}
else {
HEADER_ITEM *oldItems = infoPtr->items;
INT *oldOrder = infoPtr->order;
infoPtr->uNumItem++;
infoPtr->items = Alloc (sizeof (HEADER_ITEM) * infoPtr->uNumItem);
if (nItem == 0) {
memcpy (&infoPtr->items[1], &oldItems[0],
(infoPtr->uNumItem-1) * sizeof(HEADER_ITEM));
}
else
{
/* pre insert copy */
if (nItem > 0) {
memcpy (&infoPtr->items[0], &oldItems[0],
nItem * sizeof(HEADER_ITEM));
}
/* post insert copy */
if (nItem < infoPtr->uNumItem - 1) {
memcpy (&infoPtr->items[nItem+1], &oldItems[nItem],
(infoPtr->uNumItem - nItem - 1) * sizeof(HEADER_ITEM));
}
}
infoPtr->order = Alloc(sizeof(INT) * infoPtr->uNumItem);
memcpy(infoPtr->order, oldOrder, iOrder * sizeof(INT));
infoPtr->order[iOrder] = nItem;
memcpy(&infoPtr->order[iOrder + 1], &oldOrder[iOrder],
(infoPtr->uNumItem - iOrder - 1) * sizeof(INT));
Free (oldItems);
Free(oldOrder);
}
for (i = 0; i < infoPtr->uNumItem; i++)
{
if (i != iOrder && infoPtr->order[i] >= nItem)
infoPtr->order[i]++;
infoPtr->items[infoPtr->order[i]].iOrder = infoPtr->order[i];
}
lpItem = &infoPtr->items[nItem];
ZeroMemory(lpItem, sizeof(HEADER_ITEM));
/* cxy, fmt and lParam are copied even if not in the HDITEM mask */
copyMask = phdi->mask | HDI_WIDTH | HDI_FORMAT | HDI_LPARAM;
HEADER_StoreHDItemInHeader(lpItem, copyMask, phdi, bUnicode);
/* set automatically some format bits */
if (phdi->mask & HDI_TEXT)
lpItem->fmt |= HDF_STRING;
else
lpItem->fmt &= ~HDF_STRING;
if (lpItem->hbm != NULL)
lpItem->fmt |= HDF_BITMAP;
else
lpItem->fmt &= ~HDF_BITMAP;
if (phdi->mask & HDI_IMAGE)
lpItem->fmt |= HDF_IMAGE;
lpItem->iOrder = iOrder;
HEADER_SetItemBounds (hwnd);
InvalidateRect(hwnd, NULL, FALSE);
return nItem;
}
static LRESULT
HEADER_Layout (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
LPHDLAYOUT lpLayout = (LPHDLAYOUT)lParam;
lpLayout->pwpos->hwnd = hwnd;
lpLayout->pwpos->hwndInsertAfter = 0;
lpLayout->pwpos->x = lpLayout->prc->left;
lpLayout->pwpos->y = lpLayout->prc->top;
lpLayout->pwpos->cx = lpLayout->prc->right - lpLayout->prc->left;
if (GetWindowLongW (hwnd, GWL_STYLE) & HDS_HIDDEN)
lpLayout->pwpos->cy = 0;
else {
lpLayout->pwpos->cy = infoPtr->nHeight;
lpLayout->prc->top += infoPtr->nHeight;
}
lpLayout->pwpos->flags = SWP_NOZORDER;
TRACE("Layout x=%d y=%d cx=%d cy=%d\n",
lpLayout->pwpos->x, lpLayout->pwpos->y,
lpLayout->pwpos->cx, lpLayout->pwpos->cy);
infoPtr->bRectsValid = FALSE;
return TRUE;
}
static LRESULT
HEADER_SetImageList (HWND hwnd, HIMAGELIST himl)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
HIMAGELIST himlOld;
TRACE("(himl %p)\n", himl);
himlOld = infoPtr->himl;
infoPtr->himl = himl;
/* FIXME: Refresh needed??? */
return (LRESULT)himlOld;
}
static LRESULT
HEADER_GetBitmapMargin(HWND hwnd)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr(hwnd);
return infoPtr->iMargin;
}
static LRESULT
HEADER_SetBitmapMargin(HWND hwnd, WPARAM wParam)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
INT oldMargin = infoPtr->iMargin;
infoPtr->iMargin = (INT)wParam;
return oldMargin;
}
static LRESULT
HEADER_SetItemT (HWND hwnd, INT nItem, LPHDITEMW phdi, BOOL bUnicode)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
HEADER_ITEM *lpItem;
HDITEMW hdNotify;
void *pvScratch;
if (phdi == NULL)
return FALSE;
if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
return FALSE;
TRACE("[nItem=%d]\n", nItem);
HEADER_CopyHDItemForNotify(infoPtr, &hdNotify, phdi, bUnicode, &pvScratch);
if (HEADER_SendHeaderNotifyT (hwnd, HDN_ITEMCHANGINGW, nItem, phdi->mask, &hdNotify))
{
if (pvScratch) Free(pvScratch);
return FALSE;
}
lpItem = &infoPtr->items[nItem];
HEADER_StoreHDItemInHeader(lpItem, phdi->mask, phdi, bUnicode);
if (phdi->mask & HDI_ORDER)
{
INT i, nMin, nMax;
if (lpItem->iOrder < phdi->iOrder)
{
memmove(&infoPtr->order[lpItem->iOrder],
&infoPtr->order[lpItem->iOrder + 1],
(phdi->iOrder - lpItem->iOrder) * sizeof(INT));
}
if (phdi->iOrder < lpItem->iOrder)
{
memmove(&infoPtr->order[phdi->iOrder + 1],
&infoPtr->order[phdi->iOrder],
(lpItem->iOrder - phdi->iOrder) * sizeof(INT));
}
infoPtr->order[phdi->iOrder] = nItem;
nMin = min(lpItem->iOrder, phdi->iOrder);
nMax = max(lpItem->iOrder, phdi->iOrder);
for (i = nMin; i <= nMax; i++)
{
infoPtr->items[infoPtr->order[i]].iOrder = infoPtr->order[i];
}
}
HEADER_SendHeaderNotifyT (hwnd, HDN_ITEMCHANGEDW, nItem, phdi->mask, &hdNotify);
HEADER_SetItemBounds (hwnd);
InvalidateRect(hwnd, NULL, FALSE);
if (pvScratch != NULL)
Free(pvScratch);
return TRUE;
}
inline static LRESULT
HEADER_SetUnicodeFormat (HWND hwnd, WPARAM wParam)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
BOOL bTemp = (infoPtr->nNotifyFormat == NFR_UNICODE);
infoPtr->nNotifyFormat = ((BOOL)wParam ? NFR_UNICODE : NFR_ANSI);
return bTemp;
}
static LRESULT
HEADER_Create (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
HEADER_INFO *infoPtr;
TEXTMETRICW tm;
HFONT hOldFont;
HDC hdc;
infoPtr = (HEADER_INFO *)Alloc (sizeof(HEADER_INFO));
SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
infoPtr->hwndNotify = ((LPCREATESTRUCTA)lParam)->hwndParent;
infoPtr->uNumItem = 0;
infoPtr->hFont = 0;
infoPtr->items = 0;
infoPtr->order = 0;
infoPtr->bRectsValid = FALSE;
infoPtr->hcurArrow = LoadCursorW (0, (LPWSTR)IDC_ARROW);
infoPtr->hcurDivider = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDER));
infoPtr->hcurDivopen = LoadCursorW (COMCTL32_hModule, MAKEINTRESOURCEW(IDC_DIVIDEROPEN));
infoPtr->bPressed = FALSE;
infoPtr->bTracking = FALSE;
infoPtr->iMoveItem = 0;
infoPtr->himl = 0;
infoPtr->iHotItem = -1;
infoPtr->iMargin = 3*GetSystemMetrics(SM_CXEDGE);
infoPtr->nNotifyFormat =
SendMessageW (infoPtr->hwndNotify, WM_NOTIFYFORMAT, (WPARAM)hwnd, NF_QUERY);
hdc = GetDC (0);
hOldFont = SelectObject (hdc, GetStockObject (SYSTEM_FONT));
GetTextMetricsW (hdc, &tm);
infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
SelectObject (hdc, hOldFont);
ReleaseDC (0, hdc);
OpenThemeData(hwnd, themeClass);
return 0;
}
static LRESULT
HEADER_Destroy (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
HEADER_ITEM *lpItem;
INT nItem;
HTHEME theme;
if (infoPtr->items) {
lpItem = infoPtr->items;
for (nItem = 0; nItem < infoPtr->uNumItem; nItem++, lpItem++) {
HEADER_DisposeItem(lpItem);
}
Free (infoPtr->items);
}
if (infoPtr->order)
Free(infoPtr->order);
if (infoPtr->himl)
ImageList_Destroy (infoPtr->himl);
SetWindowLongPtrW (hwnd, 0, 0);
Free (infoPtr);
theme = GetWindowTheme(hwnd);
CloseThemeData(theme);
return 0;
}
static inline LRESULT
HEADER_GetFont (HWND hwnd)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
return (LRESULT)infoPtr->hFont;
}
static LRESULT
HEADER_LButtonDblClk (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
POINT pt;
UINT flags;
INT nItem;
pt.x = (INT)LOWORD(lParam);
pt.y = (INT)HIWORD(lParam);
HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
if ((GetWindowLongW (hwnd, GWL_STYLE) & HDS_BUTTONS) && (flags == HHT_ONHEADER))
HEADER_SendHeaderNotifyT (hwnd, HDN_ITEMDBLCLICKW, nItem, 0, NULL);
else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN))
HEADER_SendHeaderNotifyT (hwnd, HDN_DIVIDERDBLCLICKW, nItem, 0, NULL);
return 0;
}
static LRESULT
HEADER_LButtonDown (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
DWORD dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
POINT pt;
UINT flags;
INT nItem;
HDC hdc;
pt.x = (INT)LOWORD(lParam);
pt.y = (INT)HIWORD(lParam);
HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
if ((dwStyle & HDS_BUTTONS) && (flags == HHT_ONHEADER)) {
SetCapture (hwnd);
infoPtr->bCaptured = TRUE;
infoPtr->bPressed = TRUE;
infoPtr->iMoveItem = nItem;
infoPtr->items[nItem].bDown = TRUE;
/* Send WM_CUSTOMDRAW */
hdc = GetDC (hwnd);
HEADER_RefreshItem (hwnd, hdc, nItem);
ReleaseDC (hwnd, hdc);
TRACE("Pressed item %d!\n", nItem);
}
else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN)) {
if (!(HEADER_SendHeaderNotifyT (hwnd, HDN_BEGINTRACKW, nItem, HDI_WIDTH, NULL))) {
SetCapture (hwnd);
infoPtr->bCaptured = TRUE;
infoPtr->bTracking = TRUE;
infoPtr->iMoveItem = nItem;
infoPtr->nOldWidth = infoPtr->items[nItem].cxy;
infoPtr->xTrackOffset = infoPtr->items[nItem].rect.right - pt.x;
if (!(dwStyle & HDS_FULLDRAG)) {
infoPtr->xOldTrack = infoPtr->items[nItem].rect.right;
hdc = GetDC (hwnd);
HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
ReleaseDC (hwnd, hdc);
}
TRACE("Begin tracking item %d!\n", nItem);
}
}
return 0;
}
static LRESULT
HEADER_LButtonUp (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
DWORD dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
POINT pt;
UINT flags;
INT nItem, nWidth;
HDC hdc;
pt.x = (INT)(SHORT)LOWORD(lParam);
pt.y = (INT)(SHORT)HIWORD(lParam);
HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
if (infoPtr->bPressed) {
if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER)) {
infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
hdc = GetDC (hwnd);
HEADER_RefreshItem (hwnd, hdc, infoPtr->iMoveItem);
ReleaseDC (hwnd, hdc);
HEADER_SendClickNotify (hwnd, HDN_ITEMCLICKA, infoPtr->iMoveItem);
}
else if (flags == HHT_ONHEADER)
{
HEADER_ITEM *lpItem;
INT newindex = HEADER_IndexToOrder(hwnd,nItem);
INT oldindex = HEADER_IndexToOrder(hwnd,infoPtr->iMoveItem);
TRACE("Exchanging [index:order] [%d:%d] [%d:%d]\n",
infoPtr->iMoveItem,oldindex,nItem,newindex);
lpItem= &infoPtr->items[nItem];
lpItem->iOrder=oldindex;
lpItem= &infoPtr->items[infoPtr->iMoveItem];
lpItem->iOrder = newindex;
infoPtr->order[oldindex] = nItem;
infoPtr->order[newindex] = infoPtr->iMoveItem;
infoPtr->bRectsValid = FALSE;
InvalidateRect(hwnd, NULL, FALSE);
/* FIXME: Should some WM_NOTIFY be sent */
}
TRACE("Released item %d!\n", infoPtr->iMoveItem);
infoPtr->bPressed = FALSE;
}
else if (infoPtr->bTracking) {
TRACE("End tracking item %d!\n", infoPtr->iMoveItem);
infoPtr->bTracking = FALSE;
HEADER_SendHeaderNotifyT (hwnd, HDN_ENDTRACKW, infoPtr->iMoveItem, HDI_WIDTH, NULL);
if (!(dwStyle & HDS_FULLDRAG)) {
hdc = GetDC (hwnd);
HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
ReleaseDC (hwnd, hdc);
}
if (HEADER_SendHeaderNotifyT(hwnd, HDN_ITEMCHANGINGW, infoPtr->iMoveItem, HDI_WIDTH, NULL))
{
infoPtr->items[infoPtr->iMoveItem].cxy = infoPtr->nOldWidth;
}
else {
nWidth = pt.x - infoPtr->items[infoPtr->iMoveItem].rect.left + infoPtr->xTrackOffset;
if (nWidth < 0)
nWidth = 0;
infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
}
HEADER_SetItemBounds (hwnd);
InvalidateRect(hwnd, NULL, TRUE);
HEADER_SendHeaderNotifyT(hwnd, HDN_ITEMCHANGEDW, infoPtr->iMoveItem, HDI_WIDTH, NULL);
}
if (infoPtr->bCaptured) {
infoPtr->bCaptured = FALSE;
ReleaseCapture ();
HEADER_SendSimpleNotify (hwnd, NM_RELEASEDCAPTURE);
}
return 0;
}
static LRESULT
HEADER_NotifyFormat (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
switch (lParam)
{
case NF_QUERY:
return infoPtr->nNotifyFormat;
case NF_REQUERY:
infoPtr->nNotifyFormat =
SendMessageW ((HWND)wParam, WM_NOTIFYFORMAT,
(WPARAM)hwnd, (LPARAM)NF_QUERY);
return infoPtr->nNotifyFormat;
}
return 0;
}
static LRESULT
HEADER_MouseLeave (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
/* Reset hot-tracked item when mouse leaves control. */
INT oldHotItem = infoPtr->iHotItem;
HDC hdc = GetDC (hwnd);
infoPtr->iHotItem = -1;
if (oldHotItem != -1) HEADER_RefreshItem (hwnd, hdc, oldHotItem);
ReleaseDC (hwnd, hdc);
return 0;
}
static LRESULT
HEADER_MouseMove (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
DWORD dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
POINT pt;
UINT flags;
INT nItem, nWidth;
HDC hdc;
/* With theming, hottracking is always enabled */
BOOL hotTrackEnabled =
((dwStyle & HDS_BUTTONS) && (dwStyle & HDS_HOTTRACK))
|| (GetWindowTheme (hwnd) != NULL);
INT oldHotItem = infoPtr->iHotItem;
pt.x = (INT)(SHORT)LOWORD(lParam);
pt.y = (INT)(SHORT)HIWORD(lParam);
HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
if (hotTrackEnabled) {
if (flags & (HHT_ONHEADER | HHT_ONDIVIDER | HHT_ONDIVOPEN))
infoPtr->iHotItem = nItem;
else
infoPtr->iHotItem = -1;
}
if (infoPtr->bCaptured) {
if (infoPtr->bPressed) {
BOOL oldState = infoPtr->items[infoPtr->iMoveItem].bDown;
if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER))
infoPtr->items[infoPtr->iMoveItem].bDown = TRUE;
else
infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
if (oldState != infoPtr->items[infoPtr->iMoveItem].bDown) {
hdc = GetDC (hwnd);
HEADER_RefreshItem (hwnd, hdc, infoPtr->iMoveItem);
ReleaseDC (hwnd, hdc);
}
TRACE("Moving pressed item %d!\n", infoPtr->iMoveItem);
}
else if (infoPtr->bTracking) {
if (dwStyle & HDS_FULLDRAG) {
if (!HEADER_SendHeaderNotifyT (hwnd, HDN_ITEMCHANGINGW, infoPtr->iMoveItem, HDI_WIDTH, NULL))
{
HEADER_ITEM *lpItem = &infoPtr->items[infoPtr->iMoveItem];
INT nOldWidth = lpItem->rect.right - lpItem->rect.left;
RECT rcClient;
RECT rcScroll;
nWidth = pt.x - lpItem->rect.left + infoPtr->xTrackOffset;
if (nWidth < 0) nWidth = 0;
infoPtr->items[infoPtr->iMoveItem].cxy = nWidth;
HEADER_SetItemBounds(hwnd);
GetClientRect(hwnd, &rcClient);
rcScroll = rcClient;
rcScroll.left = lpItem->rect.left + nOldWidth;
ScrollWindowEx(hwnd, nWidth - nOldWidth, 0, &rcScroll, &rcClient, NULL, NULL, 0);
InvalidateRect(hwnd, &lpItem->rect, FALSE);
UpdateWindow(hwnd);
HEADER_SendHeaderNotifyT(hwnd, HDN_ITEMCHANGEDW, infoPtr->iMoveItem, HDI_WIDTH, NULL);
}
}
else {
hdc = GetDC (hwnd);
HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
infoPtr->xOldTrack = pt.x + infoPtr->xTrackOffset;
if (infoPtr->xOldTrack < infoPtr->items[infoPtr->iMoveItem].rect.left)
infoPtr->xOldTrack = infoPtr->items[infoPtr->iMoveItem].rect.left;
infoPtr->items[infoPtr->iMoveItem].cxy =
infoPtr->xOldTrack - infoPtr->items[infoPtr->iMoveItem].rect.left;
HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
ReleaseDC (hwnd, hdc);
HEADER_SendHeaderNotifyT (hwnd, HDN_TRACKW, infoPtr->iMoveItem, HDI_WIDTH, NULL);
}
TRACE("Tracking item %d!\n", infoPtr->iMoveItem);
}
}
if (hotTrackEnabled) {
TRACKMOUSEEVENT tme;
if (oldHotItem != infoPtr->iHotItem) {
hdc = GetDC (hwnd);
if (oldHotItem != -1) HEADER_RefreshItem (hwnd, hdc, oldHotItem);
if (infoPtr->iHotItem != -1) HEADER_RefreshItem (hwnd, hdc, infoPtr->iHotItem);
ReleaseDC (hwnd, hdc);
}
tme.cbSize = sizeof( tme );
tme.dwFlags = TME_LEAVE;
tme.hwndTrack = hwnd;
TrackMouseEvent( &tme );
}
return 0;
}
static LRESULT
HEADER_Paint (HWND hwnd, WPARAM wParam)
{
HDC hdc;
PAINTSTRUCT ps;
hdc = wParam==0 ? BeginPaint (hwnd, &ps) : (HDC)wParam;
HEADER_Refresh (hwnd, hdc);
if(!wParam)
EndPaint (hwnd, &ps);
return 0;
}
static LRESULT
HEADER_RButtonUp (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
BOOL bRet;
POINT pt;
pt.x = LOWORD(lParam);
pt.y = HIWORD(lParam);
/* Send a Notify message */
bRet = HEADER_SendSimpleNotify (hwnd, NM_RCLICK);
/* Change to screen coordinate for WM_CONTEXTMENU */
ClientToScreen(hwnd, &pt);
/* Send a WM_CONTEXTMENU message in response to the RBUTTONUP */
SendMessageW( hwnd, WM_CONTEXTMENU, (WPARAM) hwnd, MAKELPARAM(pt.x, pt.y));
return bRet;
}
static LRESULT
HEADER_SetCursor (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
POINT pt;
UINT flags;
INT nItem;
TRACE("code=0x%X id=0x%X\n", LOWORD(lParam), HIWORD(lParam));
GetCursorPos (&pt);
ScreenToClient (hwnd, &pt);
HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
if (flags == HHT_ONDIVIDER)
SetCursor (infoPtr->hcurDivider);
else if (flags == HHT_ONDIVOPEN)
SetCursor (infoPtr->hcurDivopen);
else
SetCursor (infoPtr->hcurArrow);
return 0;
}
static LRESULT
HEADER_SetFont (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
TEXTMETRICW tm;
HFONT hFont, hOldFont;
HDC hdc;
infoPtr->hFont = (HFONT)wParam;
hFont = infoPtr->hFont ? infoPtr->hFont : GetStockObject (SYSTEM_FONT);
hdc = GetDC (0);
hOldFont = SelectObject (hdc, hFont);
GetTextMetricsW (hdc, &tm);
infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
SelectObject (hdc, hOldFont);
ReleaseDC (0, hdc);
infoPtr->bRectsValid = FALSE;
if (lParam) {
InvalidateRect(hwnd, NULL, FALSE);
}
return 0;
}
/* Update the theme handle after a theme change */
static LRESULT HEADER_ThemeChanged(HWND hwnd)
{
HTHEME theme = GetWindowTheme(hwnd);
CloseThemeData(theme);
OpenThemeData(hwnd, themeClass);
InvalidateRect(hwnd, NULL, FALSE);
return 0;
}
static LRESULT WINAPI
HEADER_WindowProc (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
TRACE("hwnd=%p msg=%x wparam=%x lParam=%lx\n", hwnd, msg, wParam, lParam);
if (!HEADER_GetInfoPtr (hwnd) && (msg != WM_CREATE))
return DefWindowProcW (hwnd, msg, wParam, lParam);
switch (msg) {
/* case HDM_CLEARFILTER: */
case HDM_CREATEDRAGIMAGE:
return HEADER_CreateDragImage (hwnd, wParam);
case HDM_DELETEITEM:
return HEADER_DeleteItem (hwnd, wParam);
/* case HDM_EDITFILTER: */
case HDM_GETBITMAPMARGIN:
return HEADER_GetBitmapMargin(hwnd);
case HDM_GETIMAGELIST:
return HEADER_GetImageList (hwnd);
case HDM_GETITEMA:
case HDM_GETITEMW:
return HEADER_GetItemT (hwnd, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_GETITEMW);
case HDM_GETITEMCOUNT:
return HEADER_GetItemCount (hwnd);
case HDM_GETITEMRECT:
return HEADER_GetItemRect (hwnd, wParam, lParam);
case HDM_GETORDERARRAY:
return HEADER_GetOrderArray(hwnd, wParam, lParam);
case HDM_GETUNICODEFORMAT:
return HEADER_GetUnicodeFormat (hwnd);
case HDM_HITTEST:
return HEADER_HitTest (hwnd, wParam, lParam);
case HDM_INSERTITEMA:
case HDM_INSERTITEMW:
return HEADER_InsertItemT (hwnd, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_INSERTITEMW);
case HDM_LAYOUT:
return HEADER_Layout (hwnd, wParam, lParam);
case HDM_ORDERTOINDEX:
return HEADER_OrderToIndex(hwnd, wParam);
case HDM_SETBITMAPMARGIN:
return HEADER_SetBitmapMargin(hwnd, wParam);
/* case HDM_SETFILTERCHANGETIMEOUT: */
/* case HDM_SETHOTDIVIDER: */
case HDM_SETIMAGELIST:
return HEADER_SetImageList (hwnd, (HIMAGELIST)lParam);
case HDM_SETITEMA:
case HDM_SETITEMW:
return HEADER_SetItemT (hwnd, (INT)wParam, (LPHDITEMW)lParam, msg == HDM_SETITEMW);
case HDM_SETORDERARRAY:
return HEADER_SetOrderArray(hwnd, wParam, lParam);
case HDM_SETUNICODEFORMAT:
return HEADER_SetUnicodeFormat (hwnd, wParam);
case WM_CREATE:
return HEADER_Create (hwnd, wParam, lParam);
case WM_DESTROY:
return HEADER_Destroy (hwnd, wParam, lParam);
case WM_ERASEBKGND:
return 1;
case WM_GETDLGCODE:
return DLGC_WANTTAB | DLGC_WANTARROWS;
case WM_GETFONT:
return HEADER_GetFont (hwnd);
case WM_LBUTTONDBLCLK:
return HEADER_LButtonDblClk (hwnd, wParam, lParam);
case WM_LBUTTONDOWN:
return HEADER_LButtonDown (hwnd, wParam, lParam);
case WM_LBUTTONUP:
return HEADER_LButtonUp (hwnd, wParam, lParam);
case WM_MOUSELEAVE:
return HEADER_MouseLeave (hwnd, wParam, lParam);
case WM_MOUSEMOVE:
return HEADER_MouseMove (hwnd, wParam, lParam);
case WM_NOTIFYFORMAT:
return HEADER_NotifyFormat (hwnd, wParam, lParam);
case WM_SIZE:
return HEADER_Size (hwnd, wParam);
case WM_THEMECHANGED:
return HEADER_ThemeChanged (hwnd);
case WM_PRINTCLIENT:
case WM_PAINT:
return HEADER_Paint (hwnd, wParam);
case WM_RBUTTONUP:
return HEADER_RButtonUp (hwnd, wParam, lParam);
case WM_SETCURSOR:
return HEADER_SetCursor (hwnd, wParam, lParam);
case WM_SETFONT:
return HEADER_SetFont (hwnd, wParam, lParam);
default:
if ((msg >= WM_USER) && (msg < WM_APP))
ERR("unknown msg %04x wp=%04x lp=%08lx\n",
msg, wParam, lParam );
return DefWindowProcA (hwnd, msg, wParam, lParam);
}
}
VOID
HEADER_Register (void)
{
WNDCLASSW wndClass;
ZeroMemory (&wndClass, sizeof(WNDCLASSW));
wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS;
wndClass.lpfnWndProc = HEADER_WindowProc;
wndClass.cbClsExtra = 0;
wndClass.cbWndExtra = sizeof(HEADER_INFO *);
wndClass.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW);
wndClass.lpszClassName = WC_HEADERW;
RegisterClassW (&wndClass);
}
VOID
HEADER_Unregister (void)
{
UnregisterClassW (WC_HEADERW, NULL);
}
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