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wine/dlls/comctl32/header.c
Huw D M Davies 2553976309 Fixes off by one error in item insertion.
1999-12-04 03:59:33 +00:00

1579 lines
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/*
* Header control
*
* Copyright 1998 Eric Kohl
*
* TODO:
* - Imagelist support (partially).
* - Callback items (under construction).
* - Order list support.
* - Control specific cursors (over dividers).
* - Hottrack support (partially).
* - Custom draw support (including Notifications).
* - Drag and Drop support (including Notifications).
* - Unicode support.
*
* FIXME:
* - Replace DrawText32A by DrawTextEx32A(...|DT_ENDELLIPSIS) in
* HEADER_DrawItem.
* - Little flaw when drawing a bitmap on the right side of the text.
*/
#include <string.h>
#include "winbase.h"
#include "commctrl.h"
#include "header.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(header)
#define __HDM_LAYOUT_HACK__
#define VERT_BORDER 4
#define DIVIDER_WIDTH 10
#define HEADER_GetInfoPtr(hwnd) ((HEADER_INFO *)GetWindowLongA(hwnd,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;
r = phdi->rect;
if (r.right - r.left == 0)
return phdi->rect.right;
if (GetWindowLongA (hwnd, GWL_STYLE) & HDS_BUTTONS) {
if (phdi->bDown) {
DrawEdge (hdc, &r, BDR_RAISEDOUTER,
BF_RECT | BF_FLAT | BF_MIDDLE | BF_ADJUST);
r.left += 2;
r.top += 2;
}
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->fmt & HDF_OWNERDRAW) {
DRAWITEMSTRUCT dis;
dis.CtlType = ODT_HEADER;
dis.CtlID = GetWindowLongA (hwnd, GWL_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;
SendMessageA (GetParent (hwnd), WM_DRAWITEM,
(WPARAM)dis.CtlID, (LPARAM)&dis);
}
else {
UINT uTextJustify = DT_LEFT;
if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_CENTER)
uTextJustify = DT_CENTER;
else if ((phdi->fmt & HDF_JUSTIFYMASK) == HDF_RIGHT)
uTextJustify = DT_RIGHT;
if ((phdi->fmt & HDF_BITMAP) && (phdi->hbm)) {
BITMAP bmp;
HDC hdcBitmap;
INT yD, yS, cx, cy, rx, ry;
GetObjectA (phdi->hbm, sizeof(BITMAP), (LPVOID)&bmp);
ry = r.bottom - r.top;
rx = r.right - r.left;
if (ry >= bmp.bmHeight) {
cy = bmp.bmHeight;
yD = r.top + (ry - bmp.bmHeight) / 2;
yS = 0;
}
else {
cy = ry;
yD = r.top;
yS = (bmp.bmHeight - ry) / 2;
}
if (rx >= bmp.bmWidth + 6) {
cx = bmp.bmWidth;
}
else {
cx = rx - 6;
}
hdcBitmap = CreateCompatibleDC (hdc);
SelectObject (hdcBitmap, phdi->hbm);
BitBlt (hdc, r.left + 3, yD, cx, cy, hdcBitmap, 0, yS, SRCCOPY);
DeleteDC (hdcBitmap);
r.left += (bmp.bmWidth + 3);
}
if ((phdi->fmt & HDF_BITMAP_ON_RIGHT) && (phdi->hbm)) {
BITMAP bmp;
HDC hdcBitmap;
INT xD, yD, yS, cx, cy, rx, ry, tx;
RECT textRect;
GetObjectA (phdi->hbm, sizeof(BITMAP), (LPVOID)&bmp);
textRect = r;
DrawTextW (hdc, phdi->pszText, lstrlenW (phdi->pszText),
&textRect, DT_LEFT|DT_VCENTER|DT_SINGLELINE|DT_CALCRECT);
tx = textRect.right - textRect.left;
ry = r.bottom - r.top;
rx = r.right - r.left;
if (ry >= bmp.bmHeight) {
cy = bmp.bmHeight;
yD = r.top + (ry - bmp.bmHeight) / 2;
yS = 0;
}
else {
cy = ry;
yD = r.top;
yS = (bmp.bmHeight - ry) / 2;
}
if (r.left + tx + bmp.bmWidth + 9 <= r.right) {
cx = bmp.bmWidth;
xD = r.left + tx + 6;
}
else {
if (rx >= bmp.bmWidth + 6) {
cx = bmp.bmWidth;
xD = r.right - bmp.bmWidth - 3;
r.right = xD - 3;
}
else {
cx = rx - 3;
xD = r.left;
r.right = r.left;
}
}
hdcBitmap = CreateCompatibleDC (hdc);
SelectObject (hdcBitmap, phdi->hbm);
BitBlt (hdc, xD, yD, cx, cy, hdcBitmap, 0, yS, SRCCOPY);
DeleteDC (hdcBitmap);
}
if (phdi->fmt & HDF_IMAGE) {
/* ImageList_Draw (infoPtr->himl, phdi->iImage,...); */
}
if ((phdi->fmt & HDF_STRING) && (phdi->pszText)) {
oldBkMode = SetBkMode(hdc, TRANSPARENT);
r.left += 3;
r.right -= 3;
SetTextColor (hdc, bHotTrack ? COLOR_HIGHLIGHT : COLOR_BTNTEXT);
DrawTextW (hdc, phdi->pszText, lstrlenW (phdi->pszText),
&r, uTextJustify|DT_VCENTER|DT_SINGLELINE);
if (oldBkMode != TRANSPARENT)
SetBkMode(hdc, oldBkMode);
}
}
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;
INT i, x;
/* 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 */
hbrBk = GetSysColorBrush(COLOR_3DFACE);
FillRect(hdc, &rect, hbrBk);
x = rect.left;
for (i = 0; i < infoPtr->uNumItem; i++) {
x = HEADER_DrawItem (hwnd, hdc, i, FALSE);
}
if ((x <= rect.right) && (infoPtr->uNumItem > 0)) {
rect.left = x;
if (GetWindowLongA (hwnd, GWL_STYLE) & HDS_BUTTONS)
DrawEdge (hdc, &rect, EDGE_RAISED, BF_TOP|BF_LEFT|BF_BOTTOM|BF_SOFT);
else
DrawEdge (hdc, &rect, EDGE_ETCHED, BF_BOTTOM);
}
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, FALSE);
SelectObject (hdc, hOldFont);
}
static void
HEADER_SetItemBounds (HWND hwnd)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
HEADER_ITEM *phdi;
RECT rect;
int i, x;
if (infoPtr->uNumItem == 0)
return;
GetClientRect (hwnd, &rect);
x = rect.left;
for (i = 0; i < infoPtr->uNumItem; i++) {
phdi = &infoPtr->items[i];
phdi->rect.top = rect.top;
phdi->rect.bottom = rect.bottom;
phdi->rect.left = x;
phdi->rect.right = phdi->rect.left + phdi->cxy;
x = phdi->rect.right;
}
}
static void
HEADER_ForceItemBounds (HWND hwnd, INT cy)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
HEADER_ITEM *phdi;
int i, x;
if (infoPtr->uNumItem == 0)
return;
x = 0;
for (i = 0; i < infoPtr->uNumItem; i++) {
phdi = &infoPtr->items[i];
phdi->rect.top = 0;
phdi->rect.bottom = cy;
phdi->rect.left = x;
phdi->rect.right = phdi->rect.left + phdi->cxy;
x = phdi->rect.right;
}
}
static void
HEADER_InternalHitTest (HWND hwnd, LPPOINT lpPt, UINT *pFlags, INT *pItem)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
RECT rect, rcTest;
INT iCount, 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);
}
static BOOL
HEADER_SendSimpleNotify (HWND hwnd, UINT code)
{
NMHDR nmhdr;
nmhdr.hwndFrom = hwnd;
nmhdr.idFrom = GetWindowLongA (hwnd, GWL_ID);
nmhdr.code = code;
return (BOOL)SendMessageA (GetParent (hwnd), WM_NOTIFY,
(WPARAM)nmhdr.idFrom, (LPARAM)&nmhdr);
}
static BOOL
HEADER_SendHeaderNotify (HWND hwnd, UINT code, INT iItem)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
NMHEADERA nmhdr;
HDITEMA nmitem;
nmhdr.hdr.hwndFrom = hwnd;
nmhdr.hdr.idFrom = GetWindowLongA (hwnd, GWL_ID);
nmhdr.hdr.code = code;
nmhdr.iItem = iItem;
nmhdr.iButton = 0;
nmhdr.pitem = &nmitem;
nmitem.mask = 0;
nmitem.cxy = infoPtr->items[iItem].cxy;
nmitem.hbm = infoPtr->items[iItem].hbm;
nmitem.pszText = NULL;
nmitem.cchTextMax = 0;
/* nmitem.pszText = infoPtr->items[iItem].pszText; */
/* nmitem.cchTextMax = infoPtr->items[iItem].cchTextMax; */
nmitem.fmt = infoPtr->items[iItem].fmt;
nmitem.lParam = infoPtr->items[iItem].lParam;
nmitem.iOrder = infoPtr->items[iItem].iOrder;
nmitem.iImage = infoPtr->items[iItem].iImage;
return (BOOL)SendMessageA (GetParent (hwnd), WM_NOTIFY,
(WPARAM)nmhdr.hdr.idFrom, (LPARAM)&nmhdr);
}
static BOOL
HEADER_SendClickNotify (HWND hwnd, UINT code, INT iItem)
{
NMHEADERA nmhdr;
nmhdr.hdr.hwndFrom = hwnd;
nmhdr.hdr.idFrom = GetWindowLongA (hwnd, GWL_ID);
nmhdr.hdr.code = code;
nmhdr.iItem = iItem;
nmhdr.iButton = 0;
nmhdr.pitem = NULL;
return (BOOL)SendMessageA (GetParent (hwnd), 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;
HDC hdc;
TRACE("[iItem=%d]\n", iItem);
if ((iItem < 0) || (iItem >= (INT)infoPtr->uNumItem))
return FALSE;
if (infoPtr->uNumItem == 1) {
TRACE("Simple delete!\n");
if (infoPtr->items[0].pszText)
COMCTL32_Free (infoPtr->items[0].pszText);
COMCTL32_Free (infoPtr->items);
infoPtr->items = 0;
infoPtr->uNumItem = 0;
}
else {
HEADER_ITEM *oldItems = infoPtr->items;
TRACE("Complex delete! [iItem=%d]\n", iItem);
if (infoPtr->items[iItem].pszText)
COMCTL32_Free (infoPtr->items[iItem].pszText);
infoPtr->uNumItem--;
infoPtr->items = COMCTL32_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));
}
COMCTL32_Free (oldItems);
}
HEADER_SetItemBounds (hwnd);
hdc = GetDC (hwnd);
HEADER_Refresh (hwnd, hdc);
ReleaseDC (hwnd, hdc);
return TRUE;
}
static LRESULT
HEADER_GetImageList (HWND hwnd)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
return (LRESULT)infoPtr->himl;
}
static LRESULT
HEADER_GetItemA (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
HDITEMA *phdi = (HDITEMA*)lParam;
INT nItem = (INT)wParam;
HEADER_ITEM *lpItem;
if (!phdi)
return FALSE;
if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
return FALSE;
TRACE("[nItem=%d]\n", nItem);
if (phdi->mask == 0)
return TRUE;
lpItem = (HEADER_ITEM*)&infoPtr->items[nItem];
if (phdi->mask & HDI_BITMAP)
phdi->hbm = lpItem->hbm;
if (phdi->mask & HDI_FORMAT)
phdi->fmt = lpItem->fmt;
if (phdi->mask & HDI_WIDTH)
phdi->cxy = lpItem->cxy;
if (phdi->mask & HDI_LPARAM)
phdi->lParam = lpItem->lParam;
if (phdi->mask & HDI_TEXT) {
if (lpItem->pszText != LPSTR_TEXTCALLBACKW)
lstrcpynWtoA (phdi->pszText, lpItem->pszText, phdi->cchTextMax);
else
phdi->pszText = LPSTR_TEXTCALLBACKA;
}
if (phdi->mask & HDI_IMAGE)
phdi->iImage = lpItem->iImage;
if (phdi->mask & HDI_ORDER)
phdi->iOrder = lpItem->iOrder;
return TRUE;
}
static LRESULT
HEADER_GetItemW (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
HDITEMW *phdi = (HDITEMW*)lParam;
INT nItem = (INT)wParam;
HEADER_ITEM *lpItem;
if (!phdi)
return FALSE;
if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
return FALSE;
TRACE("[nItem=%d]\n", nItem);
if (phdi->mask == 0)
return TRUE;
lpItem = (HEADER_ITEM*)&infoPtr->items[nItem];
if (phdi->mask & HDI_BITMAP)
phdi->hbm = lpItem->hbm;
if (phdi->mask & HDI_FORMAT)
phdi->fmt = lpItem->fmt;
if (phdi->mask & HDI_WIDTH)
phdi->cxy = lpItem->cxy;
if (phdi->mask & HDI_LPARAM)
phdi->lParam = lpItem->lParam;
if (phdi->mask & HDI_TEXT) {
if (lpItem->pszText != LPSTR_TEXTCALLBACKW)
lstrcpynW (phdi->pszText, lpItem->pszText, phdi->cchTextMax);
else
phdi->pszText = LPSTR_TEXTCALLBACKW;
}
if (phdi->mask & HDI_IMAGE)
phdi->iImage = lpItem->iImage;
if (phdi->mask & HDI_ORDER)
phdi->iOrder = lpItem->iOrder;
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;
}
/* << HEADER_GetOrderArray >> */
inline static LRESULT
HEADER_GetUnicodeFormat (HWND hwnd)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
return infoPtr->bUnicode;
}
static LRESULT
HEADER_HitTest (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
LPHDHITTESTINFO phti = (LPHDHITTESTINFO)lParam;
HEADER_InternalHitTest (hwnd, &phti->pt, &phti->flags, &phti->iItem);
return phti->flags;
}
static LRESULT
HEADER_InsertItemA (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
HDITEMA *phdi = (HDITEMA*)lParam;
INT nItem = (INT)wParam;
HEADER_ITEM *lpItem;
HDC hdc;
INT len;
if ((phdi == NULL) || (nItem < 0))
return -1;
if (nItem > infoPtr->uNumItem)
nItem = infoPtr->uNumItem;
if (infoPtr->uNumItem == 0) {
infoPtr->items = COMCTL32_Alloc (sizeof (HEADER_ITEM));
infoPtr->uNumItem++;
}
else {
HEADER_ITEM *oldItems = infoPtr->items;
infoPtr->uNumItem++;
infoPtr->items = COMCTL32_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));
}
}
COMCTL32_Free (oldItems);
}
lpItem = (HEADER_ITEM*)&infoPtr->items[nItem];
lpItem->bDown = FALSE;
if (phdi->mask & HDI_WIDTH)
lpItem->cxy = phdi->cxy;
if (phdi->mask & HDI_TEXT) {
if (!phdi->pszText) /* null pointer check */
phdi->pszText = "";
if (phdi->pszText != LPSTR_TEXTCALLBACKA) {
len = lstrlenA (phdi->pszText);
lpItem->pszText = COMCTL32_Alloc ((len+1)*sizeof(WCHAR));
lstrcpyAtoW (lpItem->pszText, phdi->pszText);
}
else
lpItem->pszText = LPSTR_TEXTCALLBACKW;
}
if (phdi->mask & HDI_FORMAT)
lpItem->fmt = phdi->fmt;
if (lpItem->fmt == 0)
lpItem->fmt = HDF_LEFT;
if (phdi->mask & HDI_BITMAP)
lpItem->hbm = phdi->hbm;
if (phdi->mask & HDI_LPARAM)
lpItem->lParam = phdi->lParam;
if (phdi->mask & HDI_IMAGE)
lpItem->iImage = phdi->iImage;
if (phdi->mask & HDI_ORDER)
lpItem->iOrder = phdi->iOrder;
HEADER_SetItemBounds (hwnd);
hdc = GetDC (hwnd);
HEADER_Refresh (hwnd, hdc);
ReleaseDC (hwnd, hdc);
return nItem;
}
static LRESULT
HEADER_InsertItemW (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
HDITEMW *phdi = (HDITEMW*)lParam;
INT nItem = (INT)wParam;
HEADER_ITEM *lpItem;
HDC hdc;
INT len;
if ((phdi == NULL) || (nItem < 0))
return -1;
if (nItem > infoPtr->uNumItem)
nItem = infoPtr->uNumItem;
if (infoPtr->uNumItem == 0) {
infoPtr->items = COMCTL32_Alloc (sizeof (HEADER_ITEM));
infoPtr->uNumItem++;
}
else {
HEADER_ITEM *oldItems = infoPtr->items;
infoPtr->uNumItem++;
infoPtr->items = COMCTL32_Alloc (sizeof (HEADER_ITEM) * infoPtr->uNumItem);
/* 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) * sizeof(HEADER_ITEM));
}
COMCTL32_Free (oldItems);
}
lpItem = (HEADER_ITEM*)&infoPtr->items[nItem];
lpItem->bDown = FALSE;
if (phdi->mask & HDI_WIDTH)
lpItem->cxy = phdi->cxy;
if (phdi->mask & HDI_TEXT) {
WCHAR wide_null_char = 0;
if (!phdi->pszText) /* null pointer check */
phdi->pszText = &wide_null_char;
if (phdi->pszText != LPSTR_TEXTCALLBACKW) {
len = lstrlenW (phdi->pszText);
lpItem->pszText = COMCTL32_Alloc ((len+1)*sizeof(WCHAR));
lstrcpyW (lpItem->pszText, phdi->pszText);
}
else
lpItem->pszText = LPSTR_TEXTCALLBACKW;
}
if (phdi->mask & HDI_FORMAT)
lpItem->fmt = phdi->fmt;
if (lpItem->fmt == 0)
lpItem->fmt = HDF_LEFT;
if (phdi->mask & HDI_BITMAP)
lpItem->hbm = phdi->hbm;
if (phdi->mask & HDI_LPARAM)
lpItem->lParam = phdi->lParam;
if (phdi->mask & HDI_IMAGE)
lpItem->iImage = phdi->iImage;
if (phdi->mask & HDI_ORDER)
lpItem->iOrder = phdi->iOrder;
HEADER_SetItemBounds (hwnd);
hdc = GetDC (hwnd);
HEADER_Refresh (hwnd, hdc);
ReleaseDC (hwnd, hdc);
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 (GetWindowLongA (hwnd, GWL_STYLE) & HDS_HIDDEN)
lpLayout->pwpos->cy = 0;
else
lpLayout->pwpos->cy = 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);
HEADER_ForceItemBounds (hwnd, lpLayout->pwpos->cy);
/* hack */
#ifdef __HDM_LAYOUT_HACK__
MoveWindow (lpLayout->pwpos->hwnd, lpLayout->pwpos->x, lpLayout->pwpos->y,
lpLayout->pwpos->cx, lpLayout->pwpos->cy, TRUE);
#endif
return TRUE;
}
static LRESULT
HEADER_SetImageList (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
HIMAGELIST himlOld;
himlOld = infoPtr->himl;
infoPtr->himl = (HIMAGELIST)lParam;
/* FIXME: Refresh needed??? */
return (LRESULT)himlOld;
}
static LRESULT
HEADER_SetItemA (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
HDITEMA *phdi = (HDITEMA*)lParam;
INT nItem = (INT)wParam;
HEADER_ITEM *lpItem;
HDC hdc;
if (phdi == NULL)
return FALSE;
if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
return FALSE;
TRACE("[nItem=%d]\n", nItem);
if (HEADER_SendHeaderNotify (hwnd, HDN_ITEMCHANGINGA, nItem))
return FALSE;
lpItem = (HEADER_ITEM*)&infoPtr->items[nItem];
if (phdi->mask & HDI_BITMAP)
lpItem->hbm = phdi->hbm;
if (phdi->mask & HDI_FORMAT)
lpItem->fmt = phdi->fmt;
if (phdi->mask & HDI_LPARAM)
lpItem->lParam = phdi->lParam;
if (phdi->mask & HDI_TEXT) {
if (phdi->pszText != LPSTR_TEXTCALLBACKA) {
if (lpItem->pszText) {
COMCTL32_Free (lpItem->pszText);
lpItem->pszText = NULL;
}
if (phdi->pszText) {
INT len = lstrlenA (phdi->pszText);
lpItem->pszText = COMCTL32_Alloc ((len+1)*sizeof(WCHAR));
lstrcpyAtoW (lpItem->pszText, phdi->pszText);
}
}
else
lpItem->pszText = LPSTR_TEXTCALLBACKW;
}
if (phdi->mask & HDI_WIDTH)
lpItem->cxy = phdi->cxy;
if (phdi->mask & HDI_IMAGE)
lpItem->iImage = phdi->iImage;
if (phdi->mask & HDI_ORDER)
lpItem->iOrder = phdi->iOrder;
HEADER_SendHeaderNotify (hwnd, HDN_ITEMCHANGEDA, nItem);
HEADER_SetItemBounds (hwnd);
hdc = GetDC (hwnd);
HEADER_Refresh (hwnd, hdc);
ReleaseDC (hwnd, hdc);
return TRUE;
}
static LRESULT
HEADER_SetItemW (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
HDITEMW *phdi = (HDITEMW*)lParam;
INT nItem = (INT)wParam;
HEADER_ITEM *lpItem;
HDC hdc;
if (phdi == NULL)
return FALSE;
if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
return FALSE;
TRACE("[nItem=%d]\n", nItem);
if (HEADER_SendHeaderNotify (hwnd, HDN_ITEMCHANGINGA, nItem))
return FALSE;
lpItem = (HEADER_ITEM*)&infoPtr->items[nItem];
if (phdi->mask & HDI_BITMAP)
lpItem->hbm = phdi->hbm;
if (phdi->mask & HDI_FORMAT)
lpItem->fmt = phdi->fmt;
if (phdi->mask & HDI_LPARAM)
lpItem->lParam = phdi->lParam;
if (phdi->mask & HDI_TEXT) {
if (phdi->pszText != LPSTR_TEXTCALLBACKW) {
if (lpItem->pszText) {
COMCTL32_Free (lpItem->pszText);
lpItem->pszText = NULL;
}
if (phdi->pszText) {
INT len = lstrlenW (phdi->pszText);
lpItem->pszText = COMCTL32_Alloc ((len+1)*sizeof(WCHAR));
lstrcpyW (lpItem->pszText, phdi->pszText);
}
}
else
lpItem->pszText = LPSTR_TEXTCALLBACKW;
}
if (phdi->mask & HDI_WIDTH)
lpItem->cxy = phdi->cxy;
if (phdi->mask & HDI_IMAGE)
lpItem->iImage = phdi->iImage;
if (phdi->mask & HDI_ORDER)
lpItem->iOrder = phdi->iOrder;
HEADER_SendHeaderNotify (hwnd, HDN_ITEMCHANGEDA, nItem);
HEADER_SetItemBounds (hwnd);
hdc = GetDC (hwnd);
HEADER_Refresh (hwnd, hdc);
ReleaseDC (hwnd, hdc);
return TRUE;
}
/* << HEADER_SetOrderArray >> */
inline static LRESULT
HEADER_SetUnicodeFormat (HWND hwnd, WPARAM wParam)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
BOOL bTemp = infoPtr->bUnicode;
infoPtr->bUnicode = (BOOL)wParam;
return bTemp;
}
static LRESULT
HEADER_Create (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
HEADER_INFO *infoPtr;
TEXTMETRICA tm;
HFONT hOldFont;
HDC hdc;
infoPtr = (HEADER_INFO *)COMCTL32_Alloc (sizeof(HEADER_INFO));
SetWindowLongA (hwnd, 0, (DWORD)infoPtr);
infoPtr->uNumItem = 0;
infoPtr->nHeight = 20;
infoPtr->hFont = 0;
infoPtr->items = 0;
infoPtr->hcurArrow = LoadCursorA (0, IDC_ARROWA);
infoPtr->hcurDivider = LoadCursorA (0, IDC_SIZEWEA);
infoPtr->hcurDivopen = LoadCursorA (0, IDC_SIZENSA);
infoPtr->bPressed = FALSE;
infoPtr->bTracking = FALSE;
infoPtr->iMoveItem = 0;
infoPtr->himl = 0;
infoPtr->iHotItem = -1;
infoPtr->bUnicode = IsWindowUnicode (hwnd);
hdc = GetDC (0);
hOldFont = SelectObject (hdc, GetStockObject (SYSTEM_FONT));
GetTextMetricsA (hdc, &tm);
infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
SelectObject (hdc, hOldFont);
ReleaseDC (0, hdc);
return 0;
}
static LRESULT
HEADER_Destroy (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
HEADER_ITEM *lpItem;
INT nItem;
if (infoPtr->items) {
lpItem = (HEADER_ITEM*)infoPtr->items;
for (nItem = 0; nItem < infoPtr->uNumItem; nItem++, lpItem++) {
if ((lpItem->pszText) && (lpItem->pszText != LPSTR_TEXTCALLBACKW))
COMCTL32_Free (lpItem->pszText);
}
COMCTL32_Free (infoPtr->items);
}
if (infoPtr->himl)
ImageList_Destroy (infoPtr->himl);
COMCTL32_Free (infoPtr);
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 ((GetWindowLongA (hwnd, GWL_STYLE) & HDS_BUTTONS) && (flags == HHT_ONHEADER))
HEADER_SendHeaderNotify (hwnd, HDN_ITEMDBLCLICKA, nItem);
else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN))
HEADER_SendHeaderNotify (hwnd, HDN_DIVIDERDBLCLICKA, nItem);
return 0;
}
static LRESULT
HEADER_LButtonDown (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
DWORD dwStyle = GetWindowLongA (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_SendHeaderNotify (hwnd, HDN_BEGINTRACKA, nItem))) {
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 = GetWindowLongA (hwnd, GWL_STYLE);
POINT pt;
UINT flags;
INT nItem, nWidth;
HDC hdc;
pt.x = (INT)SLOWORD(lParam);
pt.y = (INT)SHIWORD(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);
}
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_SendHeaderNotify (hwnd, HDN_ENDTRACKA, infoPtr->iMoveItem);
if (!(dwStyle & HDS_FULLDRAG)) {
hdc = GetDC (hwnd);
HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
ReleaseDC (hwnd, hdc);
if (HEADER_SendHeaderNotify (hwnd, HDN_ITEMCHANGINGA, infoPtr->iMoveItem))
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_SendHeaderNotify (hwnd, HDN_ITEMCHANGEDA, infoPtr->iMoveItem);
}
HEADER_SetItemBounds (hwnd);
hdc = GetDC (hwnd);
HEADER_Refresh (hwnd, hdc);
ReleaseDC (hwnd, hdc);
}
}
if (infoPtr->bCaptured) {
infoPtr->bCaptured = FALSE;
ReleaseCapture ();
HEADER_SendSimpleNotify (hwnd, NM_RELEASEDCAPTURE);
}
return 0;
}
static LRESULT
HEADER_MouseMove (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
POINT pt;
UINT flags;
INT nItem, nWidth;
HDC hdc;
pt.x = (INT)SLOWORD(lParam);
pt.y = (INT)SHIWORD(lParam);
HEADER_InternalHitTest (hwnd, &pt, &flags, &nItem);
if ((dwStyle & HDS_BUTTONS) && (dwStyle & HDS_HOTTRACK)) {
if (flags & (HHT_ONHEADER | HHT_ONDIVIDER | HHT_ONDIVOPEN))
infoPtr->iHotItem = nItem;
else
infoPtr->iHotItem = -1;
hdc = GetDC (hwnd);
HEADER_Refresh (hwnd, hdc);
ReleaseDC (hwnd, hdc);
}
if (infoPtr->bCaptured) {
if (infoPtr->bPressed) {
if ((nItem == infoPtr->iMoveItem) && (flags == HHT_ONHEADER))
infoPtr->items[infoPtr->iMoveItem].bDown = TRUE;
else
infoPtr->items[infoPtr->iMoveItem].bDown = FALSE;
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_SendHeaderNotify (hwnd, HDN_ITEMCHANGINGA, infoPtr->iMoveItem))
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_SendHeaderNotify (hwnd, HDN_ITEMCHANGEDA,
infoPtr->iMoveItem);
}
HEADER_SetItemBounds (hwnd);
hdc = GetDC (hwnd);
HEADER_Refresh (hwnd, hdc);
ReleaseDC (hwnd, hdc);
}
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_SendHeaderNotify (hwnd, HDN_TRACKA, infoPtr->iMoveItem);
TRACE("Tracking item %d!\n", infoPtr->iMoveItem);
}
}
if ((dwStyle & HDS_BUTTONS) && (dwStyle & HDS_HOTTRACK)) {
FIXME("hot track support!\n");
}
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)
{
return HEADER_SendSimpleNotify (hwnd, NM_RCLICK);
}
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);
TEXTMETRICA 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);
GetTextMetricsA (hdc, &tm);
infoPtr->nHeight = tm.tmHeight + VERT_BORDER;
SelectObject (hdc, hOldFont);
ReleaseDC (0, hdc);
if (lParam) {
HEADER_ForceItemBounds (hwnd, infoPtr->nHeight);
hdc = GetDC (hwnd);
HEADER_Refresh (hwnd, hdc);
ReleaseDC (hwnd, hdc);
}
return 0;
}
static LRESULT WINAPI
HEADER_WindowProc (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch (msg) {
case HDM_CREATEDRAGIMAGE:
return HEADER_CreateDragImage (hwnd, wParam);
case HDM_DELETEITEM:
return HEADER_DeleteItem (hwnd, wParam);
case HDM_GETIMAGELIST:
return HEADER_GetImageList (hwnd);
case HDM_GETITEMA:
return HEADER_GetItemA (hwnd, wParam, lParam);
case HDM_GETITEMW:
return HEADER_GetItemW (hwnd, wParam, lParam);
case HDM_GETITEMCOUNT:
return HEADER_GetItemCount (hwnd);
case HDM_GETITEMRECT:
return HEADER_GetItemRect (hwnd, wParam, lParam);
/* case HDM_GETORDERARRAY: */
case HDM_GETUNICODEFORMAT:
return HEADER_GetUnicodeFormat (hwnd);
case HDM_HITTEST:
return HEADER_HitTest (hwnd, wParam, lParam);
case HDM_INSERTITEMA:
return HEADER_InsertItemA (hwnd, wParam, lParam);
case HDM_INSERTITEMW:
return HEADER_InsertItemW (hwnd, wParam, lParam);
case HDM_LAYOUT:
return HEADER_Layout (hwnd, wParam, lParam);
case HDM_SETIMAGELIST:
return HEADER_SetImageList (hwnd, wParam, lParam);
case HDM_SETITEMA:
return HEADER_SetItemA (hwnd, wParam, lParam);
case HDM_SETITEMW:
return HEADER_SetItemW (hwnd, wParam, lParam);
/* case HDM_SETORDERARRAY: */
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_MOUSEMOVE:
return HEADER_MouseMove (hwnd, wParam, lParam);
/* case WM_NOTIFYFORMAT: */
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)
ERR("unknown msg %04x wp=%04x lp=%08lx\n",
msg, wParam, lParam );
return DefWindowProcA (hwnd, msg, wParam, lParam);
}
return 0;
}
VOID
HEADER_Register (void)
{
WNDCLASSA wndClass;
if (GlobalFindAtomA (WC_HEADERA)) return;
ZeroMemory (&wndClass, sizeof(WNDCLASSA));
wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS;
wndClass.lpfnWndProc = (WNDPROC)HEADER_WindowProc;
wndClass.cbClsExtra = 0;
wndClass.cbWndExtra = sizeof(HEADER_INFO *);
wndClass.hCursor = LoadCursorA (0, IDC_ARROWA);
wndClass.lpszClassName = WC_HEADERA;
RegisterClassA (&wndClass);
}
VOID
HEADER_Unregister (void)
{
if (GlobalFindAtomA (WC_HEADERA))
UnregisterClassA (WC_HEADERA, (HINSTANCE)NULL);
}
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