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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 "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 */
} 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? */
BOOL bUnicode; /* Unicode flag */
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 a image list (may be 0) */
HEADER_ITEM *items; /* pointer to array of HEADER_ITEM's */
BOOL bRectsValid; /* validity flag for bounding rectangles */
} HEADER_INFO;
#define VERT_BORDER 3
#define DIVIDER_WIDTH 10
#define HEADER_GetInfoPtr(hwnd) ((HEADER_INFO *)GetWindowLongA(hwnd,0))
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 i,iorder = (INT)wParam;
if ((iorder <0) || iorder >infoPtr->uNumItem)
return iorder;
for (i=0; i<infoPtr->uNumItem; i++)
if (HEADER_IndexToOrder(hwnd,i) == iorder)
return i;
return iorder;
}
static void
HEADER_SetItemBounds (HWND hwnd)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
HEADER_ITEM *phdi;
RECT rect;
int i, 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;
TRACE("DrawItem(iItem %d bHotTrack %d unicode flag %d)\n", iItem, bHotTrack, infoPtr->bUnicode);
if (!infoPtr->bRectsValid)
HEADER_SetItemBounds(hwnd);
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;
oldBkMode = SetBkMode(hdc, TRANSPARENT);
SendMessageA (GetParent (hwnd), WM_DRAWITEM,
(WPARAM)dis.CtlID, (LPARAM)&dis);
if (oldBkMode != TRANSPARENT)
SetBkMode(hdc, oldBkMode);
}
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->fmt & HDF_BITMAP_ON_RIGHT) && (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 + infoPtr->iMargin) {
cx = bmp.bmWidth;
}
else {
cx = rx - infoPtr->iMargin;
}
hdcBitmap = CreateCompatibleDC (hdc);
SelectObject (hdcBitmap, phdi->hbm);
BitBlt (hdc, r.left + infoPtr->iMargin, yD, cx, cy, hdcBitmap, 0, yS, SRCCOPY);
DeleteDC (hdcBitmap);
r.left += (bmp.bmWidth + infoPtr->iMargin);
}
if ((phdi->fmt & HDF_BITMAP) && (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;
if (phdi->fmt & HDF_STRING) {
DrawTextW (hdc, phdi->pszText, -1,
&textRect, DT_LEFT|DT_VCENTER|DT_SINGLELINE|DT_CALCRECT);
tx = textRect.right - textRect.left;
}
else
tx = 0;
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 + 2*infoPtr->iMargin <= r.right) {
cx = bmp.bmWidth;
xD = r.left + tx + infoPtr->iMargin;
}
else {
if (rx >= bmp.bmWidth + infoPtr->iMargin ) {
cx = bmp.bmWidth;
xD = r.right - bmp.bmWidth - infoPtr->iMargin;
r.right = xD - infoPtr->iMargin;
}
else {
cx = rx - infoPtr->iMargin;
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) && !(phdi->fmt & HDF_BITMAP_ON_RIGHT) && (infoPtr->himl)) {
r.left += infoPtr->iMargin;
ImageList_DrawEx(infoPtr->himl, phdi->iImage, hdc, r.left, r.top + (r.bottom-r.top- infoPtr->himl->cy)/2,
infoPtr->himl->cx, r.bottom-r.top, CLR_DEFAULT, CLR_DEFAULT, 0);
r.left += infoPtr->himl->cx;
}
if ((phdi->fmt & HDF_IMAGE) && (phdi->fmt & HDF_BITMAP_ON_RIGHT) && (infoPtr->himl)) {
RECT textRect;
INT tx;
textRect = r;
if (phdi->fmt & HDF_STRING) {
DrawTextW (hdc, phdi->pszText, -1,
&textRect, DT_LEFT|DT_VCENTER|DT_SINGLELINE|DT_CALCRECT);
tx = textRect.right - textRect.left;
}
else
tx = 0;
ImageList_DrawEx(infoPtr->himl, phdi->iImage, hdc, r.left + tx + 2*infoPtr->iMargin,
r.top + (r.bottom-r.top-infoPtr->himl->cy)/2, infoPtr->himl->cx, r.bottom-r.top,
CLR_DEFAULT, CLR_DEFAULT, 0);
}
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 += infoPtr->iMargin;
r.right -= infoPtr->iMargin;
SetTextColor (hdc, (bHotTrack) ? COLOR_HIGHLIGHT : COLOR_BTNTEXT);
DrawTextW (hdc, phdi->pszText, -1,
&r, uTextJustify|DT_END_ELLIPSIS|DT_VCENTER|DT_SINGLELINE);
if (oldBkMode != TRANSPARENT)
SetBkMode(hdc, oldBkMode);
}
}/*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;
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, HEADER_OrderToIndex(hwnd,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_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)
{
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
NMHDR nmhdr;
nmhdr.hwndFrom = hwnd;
nmhdr.idFrom = GetWindowLongA (hwnd, GWL_ID);
nmhdr.code = code;
return (BOOL)SendMessageA (infoPtr->hwndNotify, WM_NOTIFY,
(WPARAM)nmhdr.idFrom, (LPARAM)&nmhdr);
}
static BOOL
HEADER_SendHeaderNotify (HWND hwnd, UINT code, INT iItem, INT mask)
{
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 = mask;
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 (infoPtr->hwndNotify, WM_NOTIFY,
(WPARAM)nmhdr.hdr.idFrom, (LPARAM)&nmhdr);
}
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 = GetWindowLongA (hwnd, GWL_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");
if (infoPtr->items[0].pszText)
Free (infoPtr->items[0].pszText);
Free (infoPtr->items);
infoPtr->items = 0;
infoPtr->uNumItem = 0;
}
else {
HEADER_ITEM *oldItems = infoPtr->items;
HEADER_ITEM *pItem;
INT i;
INT iOrder;
TRACE("Complex delete! [iItem=%d]\n", iItem);
if (infoPtr->items[iItem].pszText)
Free (infoPtr->items[iItem].pszText);
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 */
for (i=infoPtr->uNumItem, pItem = infoPtr->items; i; i--, pItem++)
{
if (pItem->iOrder > iOrder)
pItem->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_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 = &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) {
if (lpItem->pszText)
WideCharToMultiByte (CP_ACP, 0, lpItem->pszText, -1,
phdi->pszText, phdi->cchTextMax, NULL, NULL);
else
*phdi->pszText = 0;
}
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 = &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) {
if (lpItem->pszText)
lstrcpynW (phdi->pszText, lpItem->pszText, phdi->cchTextMax);
else
*phdi->pszText = 0;
}
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;
}
static LRESULT
HEADER_GetOrderArray(HWND hwnd, WPARAM wParam, LPARAM lParam)
{
int i;
LPINT order = (LPINT) lParam;
HEADER_INFO *infoPtr = HEADER_GetInfoPtr (hwnd);
if ((int)wParam <infoPtr->uNumItem)
return FALSE;
for (i=0; i<(int)wParam; i++)
*order++=HEADER_OrderToIndex(hwnd,i);
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 ((int)wParam <infoPtr->uNumItem)
return FALSE;
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->bUnicode;
}
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_ONHEADER)
return phti->iItem;
else
return -1;
}
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;
INT len, i, iOrder;
if ((phdi == NULL) || (nItem < 0))
return -1;
if (nItem > infoPtr->uNumItem)
nItem = infoPtr->uNumItem;
iOrder = (phdi->mask & HDI_ORDER) ? phdi->iOrder : nItem;
if (infoPtr->uNumItem == 0) {
infoPtr->items = Alloc (sizeof (HEADER_ITEM));
infoPtr->uNumItem++;
}
else {
HEADER_ITEM *oldItems = infoPtr->items;
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));
}
}
Free (oldItems);
}
for (i=0; i < infoPtr->uNumItem; i++)
{
if (infoPtr->items[i].iOrder >= iOrder)
infoPtr->items[i].iOrder++;
}
lpItem = &infoPtr->items[nItem];
lpItem->bDown = FALSE;
if (phdi->mask & HDI_WIDTH)
lpItem->cxy = phdi->cxy;
if (phdi->mask & HDI_TEXT) {
static char empty[] = "";
if (!phdi->pszText) /* null pointer check */
phdi->pszText = empty;
if (phdi->pszText != LPSTR_TEXTCALLBACKA) {
len = MultiByteToWideChar(CP_ACP, 0, phdi->pszText, -1, NULL, 0);
lpItem->pszText = Alloc( len*sizeof(WCHAR) );
MultiByteToWideChar(CP_ACP, 0, phdi->pszText, -1, lpItem->pszText, len);
}
else
lpItem->pszText = LPSTR_TEXTCALLBACKW;
}
if (phdi->mask & HDI_FORMAT)
lpItem->fmt = phdi->fmt;
if (lpItem->fmt == 0)
lpItem->fmt = HDF_LEFT;
if (!(lpItem->fmt & HDF_STRING) && (phdi->mask & HDI_TEXT))
{
lpItem->fmt |= HDF_STRING;
}
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;
lpItem->iOrder = iOrder;
HEADER_SetItemBounds (hwnd);
InvalidateRect(hwnd, NULL, FALSE);
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;
INT len, i, iOrder;
if ((phdi == NULL) || (nItem < 0))
return -1;
if (nItem > infoPtr->uNumItem)
nItem = infoPtr->uNumItem;
iOrder = (phdi->mask & HDI_ORDER) ? phdi->iOrder : nItem;
if (infoPtr->uNumItem == 0) {
infoPtr->items = Alloc (sizeof (HEADER_ITEM));
infoPtr->uNumItem++;
}
else {
HEADER_ITEM *oldItems = infoPtr->items;
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));
}
}
Free (oldItems);
}
for (i=0; i < infoPtr->uNumItem; i++)
{
if (infoPtr->items[i].iOrder >= iOrder)
infoPtr->items[i].iOrder++;
}
lpItem = &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 = strlenW (phdi->pszText);
lpItem->pszText = Alloc ((len+1)*sizeof(WCHAR));
strcpyW (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 (!(lpItem->fmt &HDF_STRING) && (phdi->mask & HDI_TEXT))
{
lpItem->fmt |= HDF_STRING;
}
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;
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 (GetWindowLongA (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 0x%x)\n", (int)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_SetItemA (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 == NULL)
return FALSE;
if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
return FALSE;
TRACE("[nItem=%d]\n", nItem);
if (HEADER_SendHeaderNotify (hwnd, HDN_ITEMCHANGINGA, nItem, phdi->mask))
return FALSE;
lpItem = &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) {
Free (lpItem->pszText);
lpItem->pszText = NULL;
}
if (phdi->pszText) {
INT len = MultiByteToWideChar (CP_ACP,0,phdi->pszText,-1,NULL,0);
lpItem->pszText = Alloc( len*sizeof(WCHAR) );
MultiByteToWideChar (CP_ACP,0,phdi->pszText,-1,lpItem->pszText,len);
}
}
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;
}
else
lpItem->iOrder = nItem;
HEADER_SendHeaderNotify (hwnd, HDN_ITEMCHANGEDA, nItem, phdi->mask);
HEADER_SetItemBounds (hwnd);
InvalidateRect(hwnd, NULL, FALSE);
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;
if (phdi == NULL)
return FALSE;
if ((nItem < 0) || (nItem >= (INT)infoPtr->uNumItem))
return FALSE;
TRACE("[nItem=%d]\n", nItem);
if (HEADER_SendHeaderNotify (hwnd, HDN_ITEMCHANGINGW, nItem, phdi->mask))
return FALSE;
lpItem = &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) {
Free (lpItem->pszText);
lpItem->pszText = NULL;
}
if (phdi->pszText) {
INT len = strlenW (phdi->pszText);
lpItem->pszText = Alloc ((len+1)*sizeof(WCHAR));
strcpyW (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;
}
else
lpItem->iOrder = nItem;
HEADER_SendHeaderNotify(hwnd, HDN_ITEMCHANGEDW, nItem, phdi->mask);
HEADER_SetItemBounds (hwnd);
InvalidateRect(hwnd, NULL, FALSE);
return TRUE;
}
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 *)Alloc (sizeof(HEADER_INFO));
SetWindowLongA (hwnd, 0, (DWORD)infoPtr);
infoPtr->hwndNotify = GetParent(hwnd);
infoPtr->uNumItem = 0;
infoPtr->hFont = 0;
infoPtr->items = 0;
infoPtr->bRectsValid = FALSE;
infoPtr->hcurArrow = LoadCursorA (0, (LPSTR)IDC_ARROW);
infoPtr->hcurDivider = LoadCursorA (COMCTL32_hModule, MAKEINTRESOURCEA(IDC_DIVIDER));
infoPtr->hcurDivopen = LoadCursorA (COMCTL32_hModule, MAKEINTRESOURCEA(IDC_DIVIDEROPEN));
infoPtr->bPressed = FALSE;
infoPtr->bTracking = FALSE;
infoPtr->iMoveItem = 0;
infoPtr->himl = 0;
infoPtr->iHotItem = -1;
infoPtr->bUnicode = IsWindowUnicode (hwnd);
infoPtr->iMargin = 3*GetSystemMetrics(SM_CXEDGE);
infoPtr->nNotifyFormat =
SendMessageA (infoPtr->hwndNotify, WM_NOTIFYFORMAT, (WPARAM)hwnd, NF_QUERY);
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 = infoPtr->items;
for (nItem = 0; nItem < infoPtr->uNumItem; nItem++, lpItem++) {
if ((lpItem->pszText) && (lpItem->pszText != LPSTR_TEXTCALLBACKW))
Free (lpItem->pszText);
}
Free (infoPtr->items);
}
if (infoPtr->himl)
ImageList_Destroy (infoPtr->himl);
Free (infoPtr);
SetWindowLongA (hwnd, 0, 0);
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,0);
else if ((flags == HHT_ONDIVIDER) || (flags == HHT_ONDIVOPEN))
HEADER_SendHeaderNotify (hwnd, HDN_DIVIDERDBLCLICKA, nItem,0);
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,0))) {
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)(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->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_SendHeaderNotify (hwnd, HDN_ENDTRACKA, infoPtr->iMoveItem,HDI_WIDTH);
/*
* we want to do this even for HDS_FULLDRAG because this is where
* we send the HDN_ITEMCHANGING and HDN_ITEMCHANGED notifications
*
* if (!(dwStyle & HDS_FULLDRAG)) {
*/
hdc = GetDC (hwnd);
HEADER_DrawTrackLine (hwnd, hdc, infoPtr->xOldTrack);
ReleaseDC (hwnd, hdc);
if (HEADER_SendHeaderNotify(hwnd, HDN_ITEMCHANGINGA, infoPtr->iMoveItem, HDI_WIDTH))
{
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_ITEMCHANGINGA, infoPtr->iMoveItem, HDI_WIDTH);
HEADER_SetItemBounds (hwnd);
InvalidateRect(hwnd, NULL, FALSE);
/*
* }
*/
}
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 =
SendMessageA ((HWND)wParam, WM_NOTIFYFORMAT,
(WPARAM)hwnd, (LPARAM)NF_QUERY);
return infoPtr->nNotifyFormat;
}
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)(SHORT)LOWORD(lParam);
pt.y = (INT)(SHORT)HIWORD(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;
InvalidateRect(hwnd, NULL, FALSE);
}
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, HDI_WIDTH))
{
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, HDI_WIDTH);
}
HEADER_SetItemBounds (hwnd);
InvalidateRect(hwnd, NULL, FALSE);
}
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, HDI_WIDTH);
}
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)
{
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 */
SendMessageA( 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);
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);
infoPtr->bRectsValid = FALSE;
if (lParam) {
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 DefWindowProcA (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:
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:
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:
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_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:
return HEADER_SetItemA (hwnd, wParam, lParam);
case HDM_SETITEMW:
return HEADER_SetItemW (hwnd, wParam, lParam);
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_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_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);
}
return 0;
}
VOID
HEADER_Register (void)
{
WNDCLASSA wndClass;
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, (LPSTR)IDC_ARROW);
wndClass.lpszClassName = WC_HEADERA;
RegisterClassA (&wndClass);
}
VOID
HEADER_Unregister (void)
{
UnregisterClassA (WC_HEADERA, NULL);
}
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