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windows-nt/Source/XPSP1/NT/shell/comctl32/v5/header.c

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2020-09-26 03:20:57 -05:00
#include "ctlspriv.h"
#include "image.h"
#define CCHLABELMAX MAX_PATH // borrowed from listview.h
#define HDDF_NOIMAGE 0x0001
#define HDDF_NOEDGE 0x0002
#define HDI_ALL95 0x001f
#define TF_HEADER TF_LISTVIEW
#define HD_EDITCHANGETIMER 0x100
#define c_cxFilterBarEdge (1)
#define c_cyFilterBarEdge (1)
#define c_cxFilterImage (13)
#define c_cyFilterImage (12)
typedef struct {
int x; // this is the x position of the RIGHT side (divider) of this item
int cxy;
int fmt;
LPTSTR pszText;
HBITMAP hbm;
int iImage; // index of bitmap in imagelist
LPARAM lParam;
int xBm; // cached values
int xText; // for implementing text and bitmap in header
int cxTextAndBm;
// information used for the filter contol
UINT idOperator;
UINT type;
HD_TEXTFILTER textFilter;
int intFilter;
} HDI;
// BUGBUG: store the style here too, set at create time
typedef struct {
CONTROLINFO ci;
UINT flags;
int cxEllipses;
int cxDividerSlop;
int cyChar;
HFONT hfont;
HIMAGELIST hFilterImage;
HDSA hdsaHDI; // list of HDI's
// tracking state info
int iTrack;
BITBOOL bTrackPress :1; // is the button pressed?
BITBOOL fTrackSet:1;
BITBOOL fOwnerDraw:1;
BITBOOL fFocus:1;
BITBOOL fFilterChangePending:1;
UINT flagsTrack;
int dxTrack; // the distance from the divider that the user started tracking
int xTrack; // the current track position (or starting track position on a button drag)
int xMinTrack; // the x of the end of the previous item (left limit)
int xTrackOldWidth;
HIMAGELIST himl; // handle to our image list
HDSA hdsaOrder; // this is an index array of the hdsaHDI items.
// this is the physical order of items
int iHot ;
HIMAGELIST himlDrag;
int iNewOrder; // what's the new insertion point for a d/d?
int iTextMargin; // The margin to place on either side of text or bitmaps
int iBmMargin; // Normally, 3 * g_cxLabelMargin
int iFocus; // focus object
int iEdit; // editing object
int iButtonDown;
int iFilterChangeTimeout;
HWND hwndEdit;
WNDPROC pfnEditWndProc;
int typeOld;
LPTSTR pszFilterOld;
int intFilterOld;
} HD;
LRESULT CALLBACK Header_WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
// Message handler functions
BOOL NEAR Header_OnCreate(HD* phd, CREATESTRUCT FAR* lpCreateStruct);
void NEAR Header_OnNCDestroy(HD* phd);
HIMAGELIST NEAR Header_OnSetImageList(HD* phd, HIMAGELIST himl);
HIMAGELIST NEAR Header_OnGetImageList(HD* phd);
void NEAR Header_OnPaint(HD* phd, HDC hdcIn);
#if 0
BOOL NEAR Header_OnEraseBkgnd(HD* phd, HDC hdc);
#endif
void NEAR Header_OnCommand(HD* phd, int id, HWND hwndCtl, UINT codeNotify);
void NEAR Header_OnEnable(HD* phd, BOOL fEnable);
UINT NEAR Header_OnGetDlgCode(HD* phd, MSG FAR* lpmsg);
void NEAR Header_OnLButtonDown(HD* phd, BOOL fDoubleClick, int x, int y, UINT keyFlags);
BOOL NEAR Header_IsTracking(HD* phd);
void NEAR Header_OnMouseMove(HD* phd, int x, int y, UINT keyFlags);
void NEAR Header_OnLButtonUp(HD* phd, int x, int y, UINT keyFlags);
void NEAR Header_OnSetFont(HD* plv, HFONT hfont, BOOL fRedraw);
int NEAR PASCAL Header_OnHitTest(HD* phd, HD_HITTESTINFO FAR *phdht);
HFONT NEAR Header_OnGetFont(HD* plv);
HIMAGELIST Header_OnCreateDragImage(HD* phd, int i);
BOOL NEAR Header_OnGetItemRect(HD* phd, int i, RECT FAR* prc);
void NEAR Header_Draw(HD* phd, HDC hdc, RECT FAR* prcClip);
void NEAR Header_InvalidateItem(HD* phd, int i, UINT uFlags );
void Header_GetDividerRect(HD* phd, int i, LPRECT prc);
LPARAM Header_OnSetHotDivider(HD* phd, BOOL fPos, LPARAM lParam);
void Header_GetFilterRects(LPRECT prcItem, LPRECT prcHeader, LPRECT prcEdit, LPRECT prcButton);
BOOL Header_BeginFilterEdit(HD* phd, int i);
VOID Header_StopFilterEdit(HD* phd, BOOL fDiscardChanges);
VOID Header_FilterChanged(HD* phd, BOOL fWait);
VOID Header_OnFilterButton(HD* phd, INT i);
LRESULT Header_OnClearFilter(HD* phd, INT i);
// HDM_* Message handler functions
int NEAR Header_OnInsertItem(HD* phd, int i, const HD_ITEM FAR* pitem);
BOOL NEAR Header_OnDeleteItem(HD* phd, int i);
BOOL NEAR Header_OnGetItem(HD* phd, int i, HD_ITEM FAR* pitem);
BOOL NEAR Header_OnSetItem(HD* phd, int i, const HD_ITEM FAR* pitem);
BOOL NEAR Header_OnLayout(HD* phd, HD_LAYOUT FAR* playout);
BOOL NEAR Header_OnSetCursor(HD* phd, HWND hwndCursor, UINT codeHitTest, UINT msg);
void NEAR Header_DrawDivider(HD* phd, int x);
#ifdef UNICODE
int NEAR Header_OnInsertItemA(HD* phd, int i, HD_ITEMA FAR* pitem);
BOOL NEAR Header_OnGetItemA(HD* phd, int i, HD_ITEMA FAR* pitem);
BOOL NEAR Header_OnSetItemA(HD* phd, int i, HD_ITEMA FAR* pitem);
#endif
void Header_EndDrag(HD* phd);
BOOL NEAR Header_SendChange(HD* phd, int i, int code, const HD_ITEM FAR* pitem);
BOOL NEAR Header_Notify(HD* phd, int i, int iButton, int code);
#define Header_GetItemPtr(phd, i) (HDI FAR*)DSA_GetItemPtr((phd)->hdsaHDI, (i))
#define Header_GetCount(phd) (DSA_GetItemCount((phd)->hdsaHDI))
#pragma code_seg(CODESEG_INIT)
BOOL FAR PASCAL Header_Init(HINSTANCE hinst)
{
WNDCLASS wc;
if (!GetClassInfo(hinst, c_szHeaderClass, &wc)) {
wc.lpfnWndProc = Header_WndProc;
wc.hCursor = NULL; // we do WM_SETCURSOR handling
wc.hIcon = NULL;
wc.lpszMenuName = NULL;
wc.hInstance = hinst;
wc.lpszClassName = c_szHeaderClass;
wc.hbrBackground = (HBRUSH)(COLOR_BTNFACE+1);
wc.style = CS_DBLCLKS | CS_GLOBALCLASS;
wc.cbWndExtra = sizeof(HD*);
wc.cbClsExtra = 0;
return RegisterClass(&wc);
}
return TRUE;
}
#pragma code_seg()
// returns -1 if failed to find the item
int Header_OnGetItemOrder(HD* phd, int i)
{
int iIndex;
// if there's no hdsaOrder, then it's in index order
if (phd->hdsaOrder) {
int j;
int iData;
iIndex = -1;
for (j = 0; j < DSA_GetItemCount(phd->hdsaOrder); j++) {
DSA_GetItem(phd->hdsaOrder, j, &iData);
if (iData == i) {
iIndex = j;
break;
}
}
} else {
iIndex = i;
}
return iIndex;
}
int Header_ItemOrderToIndex(HD* phd, int iOrder)
{
RIPMSG(iOrder < DSA_GetItemCount(phd->hdsaHDI), "HDM_ORDERTOINDEX: Invalid order %d", iOrder);
if (phd->hdsaOrder) {
ASSERT(DSA_GetItemCount(phd->hdsaHDI) == DSA_GetItemCount(phd->hdsaOrder));
#ifdef DEBUG
// DSA_GetItem will assert on an invalid index, so filter it out
// so all we get is the RIP above.
if (iOrder < DSA_GetItemCount(phd->hdsaOrder))
#endif
DSA_GetItem(phd->hdsaOrder, iOrder, &iOrder);
}
return iOrder;
}
HDI* Header_GetItemPtrByOrder(HD* phd, int iOrder)
{
int iIndex = Header_ItemOrderToIndex(phd, iOrder);
return Header_GetItemPtr(phd, iIndex);
}
HDSA Header_InitOrderArray(HD* phd)
{
int i;
if (!phd->hdsaOrder && !(phd->ci.style & HDS_OWNERDATA)) {
// not initialized yet..
// create an array with i to i mapping
phd->hdsaOrder = DSA_Create(sizeof(int), 4);
if (phd->hdsaOrder) {
for (i = 0; i < Header_GetCount(phd); i++) {
if (DSA_InsertItem(phd->hdsaOrder, i, &i) == -1) {
// faild to add... bail
DSA_Destroy(phd->hdsaOrder);
phd->hdsaOrder = NULL;
}
}
}
}
return phd->hdsaOrder;
}
// this moves all items starting from iIndex over by dx
void Header_ShiftItems(HD* phd, int iOrder, int dx)
{
for(; iOrder < Header_GetCount(phd); iOrder++) {
HDI* phdi = Header_GetItemPtrByOrder(phd, iOrder);
phdi->x += dx;
}
}
void Header_OnSetItemOrder(HD* phd, int iIndex, int iOrder)
{
if (iIndex < Header_GetCount(phd) &&
iOrder < Header_GetCount(phd) &&
Header_InitOrderArray(phd)) {
int iCurOrder = Header_OnGetItemOrder(phd, iIndex);
// only do work if the order is changing
if (iOrder != iCurOrder) {
// delete the current order location
HDI* phdi = Header_GetItemPtr(phd, iIndex);
HDI* phdiOld = Header_GetItemPtrByOrder(phd, iOrder);
// stop editing the filter
Header_StopFilterEdit(phd, FALSE);
// remove iIndex from the current order
// (slide stuff to the right down by our width)
Header_ShiftItems(phd, iCurOrder + 1, -phdi->cxy);
DSA_DeleteItem(phd->hdsaOrder, iCurOrder);
// insert it into the order and slide everything else over
// (slide stuff to the right of the new position up by our width)
DSA_InsertItem(phd->hdsaOrder, iOrder, &iIndex);
// set our right edge to where their left edge was
Header_ShiftItems(phd, iOrder + 1, phdi->cxy);
if (iOrder == 0) {
phdi->x = phdi->cxy;
} else {
phdiOld = Header_GetItemPtrByOrder(phd, iOrder - 1);
phdi->x = phdiOld->x + phdi->cxy;
}
// BUGBUG: do something better...
RedrawWindow(phd->ci.hwnd, NULL, NULL, RDW_INVALIDATE | RDW_ERASE);
}
}
}
void NEAR Header_SetHotItem(HD* phd, int i)
{
if (i != phd->iHot) {
Header_InvalidateItem(phd, i, RDW_INVALIDATE);
Header_InvalidateItem(phd, phd->iHot, RDW_INVALIDATE);
phd->iHot = i;
}
}
LRESULT Header_OnGetOrderArray(HD* phd, int iCount, LPINT lpi)
{
int i;
if (Header_GetCount(phd) != iCount)
return FALSE;
for (i = 0; i < Header_GetCount(phd) ; i++) {
lpi[i] = Header_ItemOrderToIndex(phd, i);
}
return TRUE;
}
LRESULT Header_OnSetOrderArray(HD* phd, int iCount, LPINT lpi)
{
int i;
if (Header_GetCount(phd) != iCount)
return FALSE;
for (i = 0; i < Header_GetCount(phd); i++) {
Header_OnSetItemOrder(phd, lpi[i], i);
}
MyNotifyWinEvent(EVENT_OBJECT_REORDER, phd->ci.hwnd, OBJID_CLIENT, 0);
return TRUE;
}
BOOL HDDragFullWindows(HD* phd)
{
return (g_fDragFullWindows && (phd->ci.style & HDS_FULLDRAG));
}
LRESULT CALLBACK Header_WndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
HD* phd = (HD*)GetWindowPtr(hwnd, 0);
#if 0
if (uMsg >= WM_USER) {
DebugMsg(DM_TRACE, TEXT("Header_WndProc %d %d %d"), uMsg, wParam, lParam);
}
#endif
if (phd == NULL)
{
if (uMsg == WM_NCCREATE)
{
phd = (HD*)NearAlloc(sizeof(HD));
if (phd == NULL)
return 0L;
phd->ci.hwnd = hwnd;
phd->ci.hwndParent = ((LPCREATESTRUCT)lParam)->hwndParent;
SetWindowPtr(hwnd, 0, phd);
// fall through to call DefWindowProc
}
return DefWindowProc(hwnd, uMsg, wParam, lParam);
}
else
{
if (uMsg == WM_NCDESTROY)
{
Header_OnNCDestroy(phd);
NearFree(phd);
SetWindowInt(hwnd, 0, 0);
return 0;
}
// was this key hit since the last time we asked?
if (uMsg == WM_CAPTURECHANGED ||
uMsg == WM_RBUTTONDOWN || GetAsyncKeyState(VK_ESCAPE) & 0x01) {
if (phd->himlDrag) {
// if this is the end of a drag,
// notify the user.
HDITEM item;
item.mask = HDI_ORDER;
item.iOrder = -1; // abort order changing
Header_EndDrag(phd);
Header_SendChange(phd, phd->iTrack, HDN_ENDDRAG, &item);
} else if (phd->flagsTrack & (HHT_ONDIVIDER | HHT_ONDIVOPEN)) {
HD_ITEM item;
item.mask = HDI_WIDTH;
item.cxy = phd->xTrackOldWidth;
phd->flagsTrack = 0;
KillTimer(phd->ci.hwnd, 1);
CCReleaseCapture(&phd->ci);
Header_SendChange(phd, phd->iTrack, HDN_ENDTRACK, &item);
if (HDDragFullWindows(phd)) {
// incase they changed something
item.mask = HDI_WIDTH;
item.cxy = phd->xTrackOldWidth;
Header_OnSetItem(phd, phd->iTrack, &item);
RedrawWindow(phd->ci.hwnd, NULL, NULL, RDW_INVALIDATE | RDW_ERASE);
} else {
// Undraw the last divider we displayed
Header_DrawDivider(phd, phd->xTrack);
}
}
}
if ((uMsg >= WM_MOUSEFIRST) && (uMsg <= WM_MOUSELAST) &&
(phd->ci.style & HDS_HOTTRACK) && !phd->fTrackSet) {
TRACKMOUSEEVENT tme;
phd->fTrackSet = TRUE;
tme.cbSize = sizeof(tme);
tme.hwndTrack = phd->ci.hwnd;
tme.dwFlags = TME_LEAVE;
TrackMouseEvent(&tme);
}
// ROBUSTNESS: keep this switch within the if (phd) block
//
switch (uMsg)
{
HANDLE_MSG(phd, WM_CREATE, Header_OnCreate);
#if 0
HANDLE_MSG(phd, WM_ERASEBKGND, Header_OnEraseBkgnd);
HANDLE_MSG(phd, WM_ENABLE, Header_OnEnable);
#endif
HANDLE_MSG(phd, WM_SETCURSOR, Header_OnSetCursor);
HANDLE_MSG(phd, WM_MOUSEMOVE, Header_OnMouseMove);
HANDLE_MSG(phd, WM_LBUTTONDOWN, Header_OnLButtonDown);
HANDLE_MSG(phd, WM_LBUTTONDBLCLK, Header_OnLButtonDown);
HANDLE_MSG(phd, WM_LBUTTONUP, Header_OnLButtonUp);
HANDLE_MSG(phd, WM_GETDLGCODE, Header_OnGetDlgCode);
HANDLE_MSG(phd, WM_SETFONT, Header_OnSetFont);
HANDLE_MSG(phd, WM_GETFONT, Header_OnGetFont);
case WM_COMMAND:
if ( (phd->iEdit>=0) && ((HWND)lParam == phd->hwndEdit) )
{
// when filtering we will receive notifications that the filter
// has been edited, therefore lets send those down to the
// parent.
if ( HIWORD(wParam)==EN_CHANGE )
{
Header_FilterChanged(phd, TRUE);
return(0);
}
}
break;
case WM_TIMER:
if (wParam == HD_EDITCHANGETIMER)
{
Header_FilterChanged(phd, FALSE);
return(0);
}
break;
case WM_SETFOCUS:
case WM_KILLFOCUS:
// filter bar and not editing then take caret into edit first column
if (phd->ci.style & HDS_FILTERBAR)
{
phd->fFocus = (uMsg==WM_SETFOCUS);
Header_InvalidateItem(phd, Header_ItemOrderToIndex(phd, phd->iFocus), RDW_INVALIDATE);
UpdateWindow(phd->ci.hwnd);
return(0);
}
break;
case WM_KEYDOWN:
if ( phd->fFocus )
{
// handle the key events that the header control receives, when the filter
// bar is displayed we then allow the user to enter filter mode and drop the
// filter menu.
//
// F2 = enter filter mode
// F4 = drop filter menu
// -> = next column
// <- = previous column
if ( wParam == VK_F2 )
{
// start editing the currently focused column
Header_BeginFilterEdit(phd, Header_ItemOrderToIndex(phd, phd->iFocus));
#ifdef KEYBOARDCUES
//notify of navigation key usage
CCNotifyNavigationKeyUsage(&(phd->ci), UISF_HIDEFOCUS);
#endif
return 0L;
}
else if ( wParam == VK_F4 )
{
// drop the filter menu (this exits edit mode)
Header_OnFilterButton(phd, Header_ItemOrderToIndex(phd, phd->iFocus));
#ifdef KEYBOARDCUES
//notify of navigation key usage
CCNotifyNavigationKeyUsage(&(phd->ci), UISF_HIDEFOCUS);
#endif
return 0L;
}
else if ( (wParam == VK_LEFT)||(wParam == VK_RIGHT) )
{
INT iFocus = phd->iFocus;
// move to previous or next column
if ( wParam == VK_RIGHT )
{
phd->iFocus = (iFocus+1) % Header_GetCount(phd);
}
else
{
phd->iFocus = iFocus-1;
if ( phd->iFocus < 0 )
phd->iFocus = max(Header_GetCount(phd)-1, 0);
}
// did the focused column change? if so then update the control
// as required.
if ( iFocus != phd->iFocus )
{
Header_InvalidateItem(phd, Header_ItemOrderToIndex(phd, iFocus), RDW_INVALIDATE);
Header_InvalidateItem(phd, Header_ItemOrderToIndex(phd, phd->iFocus), RDW_INVALIDATE);
UpdateWindow(phd->ci.hwnd);
}
#ifdef KEYBOARDCUES
//notify of navigation key usage
CCNotifyNavigationKeyUsage(&(phd->ci), UISF_HIDEFOCUS);
#endif
return 0L;
}
}
break;
case WM_MOUSELEAVE:
Header_SetHotItem(phd, -1);
phd->fTrackSet = FALSE;
break;
case WM_PRINTCLIENT:
case WM_PAINT:
Header_OnPaint(phd, (HDC)wParam);
return(0);
case WM_RBUTTONUP:
if (CCSendNotify(&phd->ci, NM_RCLICK, NULL))
return(0);
break;
case WM_STYLECHANGED:
if (wParam == GWL_STYLE) {
LPSTYLESTRUCT pss = (LPSTYLESTRUCT)lParam;
phd->ci.style = pss->styleNew;
// if the filter is changing then discard it if its active
if ((pss->styleOld & HDS_FILTERBAR) != (pss->styleNew & HDS_FILTERBAR))
Header_StopFilterEdit(phd, TRUE);
// we don't cache our style so relay out and invaidate
InvalidateRect(phd->ci.hwnd, NULL, TRUE);
}
return(0);
case WM_NOTIFYFORMAT:
return CIHandleNotifyFormat(&phd->ci, lParam);
case HDM_GETITEMCOUNT:
return (LPARAM)(UINT)DSA_GetItemCount(phd->hdsaHDI);
case HDM_INSERTITEM:
return (LPARAM)Header_OnInsertItem(phd, (int)wParam, (const HD_ITEM FAR*)lParam);
case HDM_DELETEITEM:
return (LPARAM)Header_OnDeleteItem(phd, (int)wParam);
case HDM_GETITEM:
return (LPARAM)Header_OnGetItem(phd, (int)wParam, (HD_ITEM FAR*)lParam);
case HDM_SETITEM:
return (LPARAM)Header_OnSetItem(phd, (int)wParam, (const HD_ITEM FAR*)lParam);
case HDM_LAYOUT:
return (LPARAM)Header_OnLayout(phd, (HD_LAYOUT FAR*)lParam);
case HDM_HITTEST:
return (LPARAM)Header_OnHitTest(phd, (HD_HITTESTINFO FAR *)lParam);
case HDM_GETITEMRECT:
return (LPARAM)Header_OnGetItemRect(phd, (int)wParam, (LPRECT)lParam);
case HDM_SETIMAGELIST:
return (LRESULT)(ULONG_PTR)Header_OnSetImageList(phd, (HIMAGELIST)lParam);
case HDM_GETIMAGELIST:
return (LRESULT)(ULONG_PTR)phd->himl;
#ifdef UNICODE
case HDM_INSERTITEMA:
return (LPARAM)Header_OnInsertItemA(phd, (int)wParam, (HD_ITEMA FAR*)lParam);
case HDM_GETITEMA:
return (LPARAM)Header_OnGetItemA(phd, (int)wParam, (HD_ITEMA FAR*)lParam);
case HDM_SETITEMA:
return (LPARAM)Header_OnSetItemA(phd, (int)wParam, (HD_ITEMA FAR*)lParam);
#endif
case HDM_ORDERTOINDEX:
return Header_ItemOrderToIndex(phd, (int)wParam);
case HDM_CREATEDRAGIMAGE:
return (LRESULT)Header_OnCreateDragImage(phd, Header_OnGetItemOrder(phd, (int)wParam));
case HDM_SETORDERARRAY:
return Header_OnSetOrderArray(phd, (int)wParam, (LPINT)lParam);
case HDM_GETORDERARRAY:
return Header_OnGetOrderArray(phd, (int)wParam, (LPINT)lParam);
case HDM_SETHOTDIVIDER:
return Header_OnSetHotDivider(phd, (int)wParam, lParam);
case HDM_SETBITMAPMARGIN:
phd->iBmMargin = (int)wParam;
TraceMsg(TF_ALWAYS, "Setting bmMargin = %d",wParam);
return TRUE;
case HDM_GETBITMAPMARGIN:
return phd->iBmMargin;
case HDM_EDITFILTER:
Header_StopFilterEdit(phd, (BOOL)LOWORD(lParam));
return Header_BeginFilterEdit(phd, (int)wParam);
case HDM_SETFILTERCHANGETIMEOUT:
if ( lParam ) {
int iOldTimeout = phd->iFilterChangeTimeout;
phd->iFilterChangeTimeout = (int)lParam;
return(iOldTimeout);
}
return(phd->iFilterChangeTimeout);
case HDM_CLEARFILTER:
return Header_OnClearFilter(phd, (int)wParam);
case WM_GETOBJECT:
if( lParam == OBJID_QUERYCLASSNAMEIDX )
return MSAA_CLASSNAMEIDX_HEADER;
break;
default:
{
LRESULT lres;
if (CCWndProc(&phd->ci, uMsg, wParam, lParam, &lres))
return lres;
}
}
return DefWindowProc(hwnd, uMsg, wParam, lParam);
}
}
BOOL NEAR Header_SendChange(HD* phd, int i, int code, const HD_ITEM FAR* pitem)
{
NMHEADER nm;
nm.iItem = i;
nm.pitem = (HD_ITEM FAR*)pitem;
nm.iButton = 0;
return !(BOOL)CCSendNotify(&phd->ci, code, &nm.hdr);
}
BOOL NEAR Header_Notify(HD* phd, int i, int iButton, int code)
{
NMHEADER nm;
nm.iItem = i;
nm.iButton = iButton;
nm.pitem = NULL;
return !(BOOL)CCSendNotify(&phd->ci, code, &nm.hdr);
}
void NEAR Header_NewFont(HD* phd, HFONT hfont)
{
HDC hdc;
SIZE siz;
hdc = GetDC(HWND_DESKTOP);
if (hfont)
SelectFont(hdc, hfont);
GetTextExtentPoint(hdc, c_szEllipses, CCHELLIPSES, &siz);
phd->cxEllipses = siz.cx;
phd->cyChar = siz.cy;
phd->hfont = hfont;
phd->ci.uiCodePage = GetCodePageForFont(hfont);
ReleaseDC(HWND_DESKTOP, hdc);
}
BOOL NEAR Header_OnCreate(HD* phd, CREATESTRUCT FAR* lpCreateStruct)
{
ASSERT(phd); // we are only called if phd is valid
CIInitialize(&phd->ci, phd->ci.hwnd, (LPCREATESTRUCT)lpCreateStruct);
#ifdef DEBUG
if (GetAsyncKeyState(VK_SHIFT) < 0) {
phd->ci.style |= HDS_DRAGDROP;
}
#endif
phd->flags = 0;
phd->hfont = NULL;
phd->hFilterImage = NULL;
phd->iNewOrder = -1;
phd->iHot = -1;
phd->iFocus = 0;
phd->iEdit = -1;
phd->iButtonDown = -1;
phd->iFilterChangeTimeout = GetDoubleClickTime()*2;
phd->hwndEdit = NULL;
phd->hdsaHDI = DSA_Create(sizeof(HDI), 4);
if (!phd->hdsaHDI)
return (BOOL)-1;
phd->cxDividerSlop = 8 * g_cxBorder;
// Warning! ListView_RSetColumnWidth knows these values.
phd->iTextMargin = 3 * g_cxLabelMargin;
phd->iBmMargin = 3 * g_cxLabelMargin;
// phd->himl = NULL;
Header_NewFont(phd, NULL);
return TRUE;
}
int Header_DestroyItemCallback(LPVOID p, LPVOID d)
{
HDI * phdi = (HDI*)p;
if (phdi)
{
Str_Set(&phdi->pszText, NULL);
if ( (phdi->type & HDFT_ISMASK)==HDFT_ISSTRING )
Str_Set(&phdi->textFilter.pszText, NULL);
}
return 1;
}
void NEAR Header_OnNCDestroy(HD* phd)
{
// stop editing the filter
if ( phd->hFilterImage )
ImageList_Destroy(phd->hFilterImage);
Header_StopFilterEdit(phd, TRUE);
// We must walk through and destroy all of the string pointers that
// are contained in the structures before we pass it off to the
// DSA_Destroy function...
DSA_DestroyCallback(phd->hdsaHDI, Header_DestroyItemCallback, 0);
phd->hdsaHDI = NULL;
if (phd->hdsaOrder)
{
DSA_Destroy(phd->hdsaOrder);
phd->hdsaOrder = NULL;
}
}
HIMAGELIST NEAR Header_OnSetImageList(HD* phd, HIMAGELIST himl)
{
HIMAGELIST hImageOld = phd->himl;
phd->himl = himl;
return hImageOld;
}
void NEAR Header_OnPaint(HD* phd, HDC hdc)
{
PAINTSTRUCT ps;
HDC hdcUse;
if (!phd)
return;
if (hdc)
{
hdcUse = hdc;
GetClientRect(phd->ci.hwnd, &ps.rcPaint);
}
else
{
hdcUse = BeginPaint(phd->ci.hwnd, &ps);
}
Header_Draw(phd, hdcUse, &ps.rcPaint);
if (!hdc) {
EndPaint(phd->ci.hwnd, &ps);
}
}
#if 0
BOOL NEAR Header_OnEraseBkgnd(HD* phd, HDC hdc)
{
RECT rc;
GetClientRect(phd->ci.hwnd, &rc);
FillRect(hdc, &rc, g_hbrBtnFace);
return TRUE;
}
void NEAR Header_OnCommand(HD* phd, int id, HWND hwndCtl, UINT codeNotify)
{
}
void NEAR Header_OnEnable(HD* phd, BOOL fEnable)
{
}
#endif
UINT NEAR Header_OnGetDlgCode(HD* phd, MSG FAR* lpmsg)
{
return DLGC_WANTTAB | DLGC_WANTARROWS;
}
int NEAR Header_HitTest(HD* phd, int x, int y, UINT FAR* pflags)
{
UINT flags = 0;
POINT pt;
RECT rc;
HDI FAR* phdi;
int i;
pt.x = x; pt.y = y;
GetClientRect(phd->ci.hwnd, &rc);
flags = 0;
i = -1;
if (x < rc.left)
flags |= HHT_TOLEFT;
else if (x >= rc.right)
flags |= HHT_TORIGHT;
if (y < rc.top)
flags |= HHT_ABOVE;
else if (y >= rc.bottom)
flags |= HHT_BELOW;
if (flags == 0)
{
int cItems = DSA_GetItemCount(phd->hdsaHDI);
int xPrev = 0;
BOOL fPrevZero = FALSE;
int xItem;
int cxSlop;
//DebugMsg(DM_TRACE, "Hit Test begin");
for (i = 0; i <= cItems; i++, phdi++, xPrev = xItem)
{
if (i == cItems)
xItem = rc.right;
else {
phdi = Header_GetItemPtrByOrder(phd, i);
xItem = phdi->x;
}
// DebugMsg(DM_TRACE, "x = %d xItem = %d xPrev = %d fPrevZero = %d", x, xItem, xPrev, xPrev == xItem);
if (xItem == xPrev)
{
// Skip zero width items...
//
fPrevZero = TRUE;
continue;
}
cxSlop = min((xItem - xPrev) / 4, phd->cxDividerSlop);
if (x >= xPrev && x < xItem)
{
if ( phd->ci.style & HDS_FILTERBAR )
{
RECT rcItem;
RECT rcHeader, rcFilter, rcButton;
rcItem.left = xPrev;
rcItem.top = rc.top;
rcItem.right = xItem;
rcItem.bottom = rc.bottom ;
Header_GetFilterRects(&rcItem, &rcHeader, &rcFilter, &rcButton);
if ( y >= rcFilter.top )
{
if ( x >= rcFilter.right )
{
// hit check the entire button, forget about the divider
// when over the filter glyph
flags = HHT_ONFILTERBUTTON;
break;
}
else
{
flags = HHT_ONFILTER;
}
}
else if ( y < rcHeader.bottom )
flags = HHT_ONHEADER;
}
else
{
flags = HHT_ONHEADER;
}
if (i > 0 && x < xPrev + cxSlop)
{
i--;
flags = HHT_ONDIVIDER;
if (fPrevZero && x > xPrev)
{
flags = HHT_ONDIVOPEN;
}
}
else if (x >= xItem - cxSlop)
{
flags = HHT_ONDIVIDER;
}
break;
}
fPrevZero = FALSE;
}
if (i == cItems)
{
i = -1;
flags = HHT_NOWHERE;
} else {
// now convert order index to real index
i = Header_ItemOrderToIndex(phd, i);
}
}
*pflags = flags;
return i;
}
int NEAR PASCAL Header_OnHitTest(HD* phd, HD_HITTESTINFO FAR *phdht)
{
if (phdht && phd) {
phdht->iItem = Header_HitTest(phd, phdht->pt.x, phdht->pt.y, &phdht->flags);
return phdht->iItem;
} else
return -1;
}
BOOL NEAR Header_OnSetCursor(HD* phd, HWND hwndCursor, UINT codeHitTest, UINT msg)
{
POINT pt;
UINT flags;
LPCTSTR lpCur;
HINSTANCE hinst;
INT iItem;
if (!phd)
return FALSE;
if (phd->ci.hwnd != hwndCursor || codeHitTest >= 0x8000)
return FALSE;
GetMessagePosClient(hwndCursor, &pt);
iItem = Header_HitTest(phd, pt.x, pt.y, &flags);
hinst = HINST_THISDLL;
switch (flags)
{
case HHT_ONDIVIDER:
lpCur = MAKEINTRESOURCE(IDC_DIVIDER);
break;
case HHT_ONDIVOPEN:
lpCur = MAKEINTRESOURCE(IDC_DIVOPEN);
break;
case HHT_ONFILTER:
{
HDI* phdi = Header_GetItemPtrByOrder(phd, iItem);
ASSERT(phdi);
lpCur = IDC_ARROW; // default to the arrow
hinst = NULL;
switch ( phdi->type & HDFT_ISMASK )
{
case HDFT_ISSTRING:
case HDFT_ISNUMBER:
lpCur = IDC_IBEAM;
break;
default:
// BUGBUG: handle custom filters
break;
}
break;
}
default:
lpCur = IDC_ARROW;
hinst = NULL;
break;
}
SetCursor(LoadCursor(hinst, lpCur));
return TRUE;
}
void NEAR Header_DrawDivider(HD* phd, int x)
{
RECT rc;
HDC hdc = GetDC(phd->ci.hwnd);
GetClientRect(phd->ci.hwnd, &rc);
rc.left = x;
rc.right = x + g_cxBorder;
InvertRect(hdc, &rc);
ReleaseDC(phd->ci.hwnd, hdc);
}
int NEAR Header_PinDividerPos(HD* phd, int x)
{
x += phd->dxTrack;
if (x < phd->xMinTrack)
x = phd->xMinTrack;
return x;
}
void NEAR Header_OnLButtonDown(HD* phd, BOOL fDoubleClick, int x, int y, UINT keyFlags)
{
HD_ITEM hd;
int i;
UINT flags;
if (!phd)
return;
Header_StopFilterEdit(phd, FALSE);
i = Header_HitTest(phd, x, y, &flags);
if (flags & (HHT_ONDIVIDER))
{
if (fDoubleClick) {
Header_SendChange(phd, i, HDN_DIVIDERDBLCLICK, NULL);
}
}
if ((flags & (HHT_ONDIVIDER | HHT_ONHEADER | HHT_ONDIVOPEN))
&& !fDoubleClick)
{
phd->iTrack = i;
phd->flagsTrack = flags;
phd->xTrack = x;
SetCapture(phd->ci.hwnd);
// this is just to get messages so we can
// check for the escape key being hit
SetTimer(phd->ci.hwnd, 1, 100, NULL);
GetAsyncKeyState(VK_ESCAPE);
}
if (flags & (HHT_ONDIVIDER | HHT_ONDIVOPEN) &&
!fDoubleClick)
{
//
// We should first send out the HDN_BEGINTRACK notification
//
HDI FAR * phdi;
int iOrder = Header_OnGetItemOrder(phd, i);
phdi = Header_GetItemPtr(phd, i);
phd->xMinTrack = phdi->x - phdi->cxy;
phd->xTrack = phdi->x;
phd->dxTrack = phd->xTrack - x;
phd->xTrackOldWidth = phdi->cxy;
hd.mask = HDI_WIDTH;
hd.cxy = phd->xTrackOldWidth;
if (!Header_SendChange(phd, i, HDN_BEGINTRACK, &hd))
{
// They said no!
phd->flagsTrack = 0;
CCReleaseCapture(&phd->ci);
KillTimer(phd->ci.hwnd, 1);
return;
}
if (!HDDragFullWindows(phd)) {
x = Header_PinDividerPos(phd, x);
Header_DrawDivider(phd, x);
}
}
else if ((flags & HHT_ONHEADER) && (phd->ci.style & HDS_BUTTONS))
{
if (fDoubleClick) {
Header_SendChange(phd, i, HDN_ITEMDBLCLICK, NULL);
} else {
phd->bTrackPress = TRUE;
Header_InvalidateItem(phd, phd->iTrack, RDW_INVALIDATE| RDW_ERASE);
}
}
if ( flags & HHT_ONFILTER )
{
Header_BeginFilterEdit(phd, i);
}
if ( flags & HHT_ONFILTERBUTTON )
{
Header_OnFilterButton(phd, i);
}
}
void Header_StartDrag(HD* phd, int i, int x, int y)
{
RECT rc;
if ((phd->ci.style & HDS_DRAGDROP) &&
Header_Notify(phd, i, MK_LBUTTON, HDN_BEGINDRAG)) {
// clear the hot bit and
// update before we do the BeginDrag so that the save bitmap won't
// have the hot drawing on it.
Header_SetHotItem(phd, -1);
UpdateWindow(phd->ci.hwnd);
phd->himlDrag = Header_OnCreateDragImage(phd, Header_OnGetItemOrder(phd,i));
if (!phd->himlDrag)
return;
// find the delta between the start of the item and the cursor
Header_OnGetItemRect(phd, i, &rc);
phd->dxTrack = rc.left - x;
ImageList_BeginDrag(phd->himlDrag, 0, 0, 0);
ImageList_DragEnter(phd->ci.hwnd, x, 0);
}
}
void Header_InvalidateDivider(HD* phd, int iItem)
{
RECT rc;
Header_GetDividerRect(phd, iItem, &rc);
InvalidateRect(phd->ci.hwnd, &rc, FALSE);
}
void _Header_SetHotDivider(HD* phd, int iNewOrder)
{
if (iNewOrder != phd->iNewOrder) {
if (phd->himlDrag)
ImageList_DragShowNolock(FALSE);
Header_InvalidateDivider(phd, phd->iNewOrder);
Header_InvalidateDivider(phd, iNewOrder);
phd->iNewOrder = iNewOrder;
UpdateWindow(phd->ci.hwnd);
if (phd->himlDrag)
ImageList_DragShowNolock(TRUE);
}
}
LPARAM Header_OnSetHotDivider(HD* phd, BOOL fPos, LPARAM lParam)
{
int iNewOrder = -1;
if (fPos) {
RECT rc;
int y = GET_Y_LPARAM(lParam);
int x = GET_X_LPARAM(lParam);
// this means that lParam is the cursor position (in client coordinates)
GetClientRect(phd->ci.hwnd, &rc);
InflateRect(&rc, 0, g_cyHScroll * 2);
// show only if the y point is reasonably close to the header
// (a la scrollbar)
if (y >= rc.top &&
y <= rc.bottom) {
//
// find out the new insertion point
//
if (x <= 0) {
iNewOrder = 0;
} else {
UINT flags;
int iIndex;
iIndex = Header_HitTest(phd, x, (rc.top + rc.bottom)/2, &flags);
// if we didn't find an item, see if it's on the far right
if (iIndex == -1) {
int iLast = Header_ItemOrderToIndex(phd, Header_GetCount(phd) -1);
if (Header_OnGetItemRect(phd, iLast, &rc)) {
if (x >= rc.right) {
iNewOrder = Header_GetCount(phd);
}
}
} else {
Header_OnGetItemRect(phd, iIndex, &rc);
iNewOrder= Header_OnGetItemOrder(phd, iIndex);
// if it was past the midpoint, the insertion point is the next one
if (x > ((rc.left + rc.right)/2)) {
// get the next item... translate to item order then back to index.
iNewOrder++;
}
}
}
}
} else {
iNewOrder = (int)lParam;
}
_Header_SetHotDivider(phd, iNewOrder);
return iNewOrder;
}
void Header_MoveDrag(HD* phd, int x, int y)
{
LPARAM iNewOrder = -1;
iNewOrder = Header_OnSetHotDivider(phd, TRUE, MAKELONG(x, y));
if (iNewOrder == -1) {
ImageList_DragShowNolock(FALSE);
} else {
ImageList_DragShowNolock(TRUE);
ImageList_DragMove(x + phd->dxTrack, 0);
}
}
void Header_EndDrag(HD* phd)
{
ImageList_EndDrag();
ImageList_Destroy(phd->himlDrag);
phd->himlDrag = NULL;
_Header_SetHotDivider(phd, -1);
}
// iOrder
void Header_GetDividerRect(HD* phd, int iOrder, LPRECT prc)
{
int iIndex;
BOOL fLeft;
if (iOrder == -1)
{
SetRectEmpty(prc);
return;
}
// if we're getting the divider slot of < N then
// it's the left of the rect of item i.
// otherwise it's the right of the last item.
if (iOrder < Header_GetCount(phd)) {
fLeft = TRUE;
} else {
fLeft = FALSE;
iOrder--;
}
iIndex = Header_ItemOrderToIndex(phd, iOrder);
Header_OnGetItemRect(phd, iIndex, prc);
if (fLeft) {
prc->right = prc->left;
} else {
prc->left = prc->right;
}
InflateRect(prc, g_cxBorder, 0);
}
void NEAR Header_OnMouseMove(HD* phd, int x, int y, UINT keyFlags)
{
UINT flags;
int i;
HD_ITEM hd;
if (!phd)
return;
// do the hot tracking
// but not if anything is ownerdraw or if we're in d/d mode
if ((phd->ci.style & HDS_HOTTRACK) && !phd->fOwnerDraw && !phd->himlDrag) {
// only do this if we're in button mode meaning you can actually click
if (phd->ci.style & HDS_BUTTONS) {
i = Header_HitTest(phd, x, y, &flags);
Header_SetHotItem(phd, i);
}
}
if (Header_IsTracking(phd))
{
if (phd->flagsTrack & (HHT_ONDIVIDER | HHT_ONDIVOPEN))
{
x = Header_PinDividerPos(phd, x);
//
// Let the Owner have a chance to update this.
//
hd.mask = HDI_WIDTH;
hd.cxy = x - phd->xMinTrack;
if (!HDDragFullWindows(phd) && !Header_SendChange(phd, phd->iTrack, HDN_TRACK, &hd))
{
// We need to cancel tracking
phd->flagsTrack = 0;
CCReleaseCapture(&phd->ci);
KillTimer(phd->ci.hwnd, 1);
// Undraw the last divider we displayed
Header_DrawDivider(phd, phd->xTrack);
return;
}
// We should update our x depending on what caller did
x = hd.cxy + phd->xMinTrack;
// if full window track is turned on, go ahead and set the width
if (HDDragFullWindows(phd)) {
HD_ITEM item;
item.mask = HDI_WIDTH;
item.cxy = hd.cxy;
DebugMsg(DM_TRACE, TEXT("Tracking header. item %d gets width %d... %d %d"), phd->iTrack, item.cxy, phd->xMinTrack, x);
// Let the owner have a chance to say yes.
Header_OnSetItem(phd, phd->iTrack, &item);
UpdateWindow(phd->ci.hwnd);
} else {
// do the cheezy old stuff
Header_DrawDivider(phd, phd->xTrack);
Header_DrawDivider(phd, x);
}
phd->xTrack = x;
}
else if (phd->flagsTrack & HHT_ONHEADER)
{
i = Header_HitTest(phd, x, y, &flags);
if (ABS(x - phd->xTrack) >
GetSystemMetrics(SM_CXDRAG)) {
if (!phd->himlDrag) {
Header_StartDrag(phd, i, phd->xTrack, y);
}
}
if (phd->himlDrag) {
Header_MoveDrag(phd, x, y);
} else {
// if pressing on button and it's not pressed, press it
if (flags & HHT_ONHEADER && i == phd->iTrack)
{
if ((!phd->bTrackPress) && (phd->ci.style & HDS_BUTTONS))
{
phd->bTrackPress = TRUE;
Header_InvalidateItem(phd, phd->iTrack, RDW_INVALIDATE| RDW_ERASE);
}
}
// tracked off of button. if pressed, pop it
else if ((phd->bTrackPress) && (phd->ci.style & HDS_BUTTONS))
{
phd->bTrackPress = FALSE;
Header_InvalidateItem(phd, phd->iTrack, RDW_INVALIDATE| RDW_ERASE);
}
}
}
}
}
void NEAR Header_OnLButtonUp(HD* phd, int x, int y, UINT keyFlags)
{
if (!phd)
return;
if (Header_IsTracking(phd))
{
if (phd->flagsTrack & (HHT_ONDIVIDER | HHT_ONDIVOPEN))
{
HD_ITEM item;
if (!HDDragFullWindows(phd)) {
Header_DrawDivider(phd, phd->xTrack);
}
item.mask = HDI_WIDTH;
item.cxy = phd->xTrack - phd->xMinTrack;
// Let the owner have a chance to say yes.
if (Header_SendChange(phd, phd->iTrack, HDN_ENDTRACK, &item))
Header_OnSetItem(phd, phd->iTrack, &item);
RedrawWindow(phd->ci.hwnd, NULL, NULL, RDW_INVALIDATE | RDW_ERASE);
}
else if ((phd->flagsTrack & HHT_ONHEADER)
&& (phd->bTrackPress || phd->himlDrag))
{
if (phd->himlDrag) {
// if this is the end of a drag,
// notify the user.
HDITEM item;
item.mask = HDI_ORDER;
item.iOrder = phd->iNewOrder; // BUGBUG: FIXTHIS!
if (item.iOrder > Header_OnGetItemOrder(phd, phd->iTrack)) {
// if the new order is greater than the old one,
// we subtract one because it's leaving the old place
// which decs the count by one.
item.iOrder--;
}
Header_EndDrag(phd);
if (Header_SendChange(phd, phd->iTrack, HDN_ENDDRAG, &item)) {
if (item.iOrder != -1) {
// all's well... change the item order
Header_OnSetItemOrder(phd, phd->iTrack, item.iOrder);
MyNotifyWinEvent(EVENT_OBJECT_REORDER, phd->ci.hwnd, OBJID_CLIENT, 0);
}
}
} else {
// Notify the owner that the item has been clicked
Header_Notify(phd, phd->iTrack, 0, HDN_ITEMCLICK);
}
phd->bTrackPress = FALSE;
Header_InvalidateItem(phd, phd->iTrack, RDW_INVALIDATE| RDW_ERASE);
}
phd->flagsTrack = 0;
CCReleaseCapture(&phd->ci);
KillTimer(phd->ci.hwnd, 1);
}
}
BOOL NEAR Header_IsTracking(HD* phd)
{
if (!phd->flagsTrack)
{
return FALSE;
} else if (GetCapture() != phd->ci.hwnd) {
phd->flagsTrack = 0;
return FALSE;
}
return TRUE;
}
void NEAR Header_OnSetFont(HD* phd, HFONT hfont, BOOL fRedraw)
{
if (!phd)
return;
if (hfont != phd->hfont)
{
Header_NewFont(phd, hfont);
if (fRedraw)
RedrawWindow(phd->ci.hwnd, NULL, NULL, RDW_INVALIDATE | RDW_ERASE);
}
}
HFONT NEAR Header_OnGetFont(HD* phd)
{
if (!phd)
return NULL;
return phd->hfont;
}
//**********************************************************************
#ifdef UNICODE
int NEAR Header_OnInsertItemA(HD* phd, int i, HD_ITEMA FAR* pitem) {
LPWSTR pszW = NULL;
LPSTR pszC = NULL;
HD_TEXTFILTERW textFilterW;
LPHD_TEXTFILTERA ptextFilterA = NULL;
int iRet;
//HACK ALERT -- this code assumes that HD_ITEMA is exactly the same
// as HD_ITEMW except for the pointer to the string.
ASSERT(sizeof(HD_ITEMA) == sizeof(HD_ITEMW))
if (!pitem || !phd)
return -1;
if ((pitem->mask & HDI_TEXT) && (pitem->pszText != LPSTR_TEXTCALLBACKA) &&
(pitem->pszText != NULL)) {
pszC = pitem->pszText;
if ((pszW = ProduceWFromA(phd->ci.uiCodePage, pszC)) == NULL)
return -1;
pitem->pszText = (LPSTR)pszW;
}
if ( (pitem->mask & HDI_FILTER) &&
((pitem->type & HDFT_ISMASK) == HDFT_ISSTRING) ) {
// pick up the filter if there is one for us to thunk
if ( pitem->pvFilter ) {
ptextFilterA = pitem->pvFilter;
ASSERT(ptextFilterA);
textFilterW.pszText = NULL;
textFilterW.cchTextMax = ptextFilterA->cchTextMax;
if ( !(pitem->type & HDFT_HASNOVALUE) ) {
textFilterW.pszText = ProduceWFromA(phd->ci.uiCodePage, ptextFilterA->pszText);
if ( !textFilterW.pszText ) {
if ( pszW )
FreeProducedString(pszW)
return -1;
}
}
pitem->pvFilter = &textFilterW;
}
}
iRet = Header_OnInsertItem(phd, i, (const HD_ITEM FAR*) pitem);
if (pszW != NULL) {
pitem->pszText = pszC;
FreeProducedString(pszW);
}
if (ptextFilterA)
{
pitem->pvFilter = ptextFilterA;
FreeProducedString(textFilterW.pszText);
}
return iRet;
}
#endif
int NEAR Header_OnInsertItem(HD* phd, int i, const HD_ITEM FAR* pitem)
{
HDI hdi = {0};
int x;
HDI FAR* phdi;
int iOrder;
int cxy;
if (!pitem || !phd)
return -1;
if (pitem->mask == 0)
return -1;
cxy = pitem->cxy;
if (cxy < 0)
cxy = 0;
x = cxy;
if (i > DSA_GetItemCount(phd->hdsaHDI))
i = DSA_GetItemCount(phd->hdsaHDI);
// stop editing the filter
Header_StopFilterEdit(phd, FALSE);
iOrder = i;
// can't have order info if it's owner data
if (!(phd->ci.style & HDS_OWNERDATA)) {
// the iOrder field wasn't there in win95...
// so access it only if the bit is there.
if (pitem->mask & HDI_ORDER) {
if ((pitem->iOrder != i) && (pitem->iOrder <= Header_GetCount(phd))) {
if (Header_InitOrderArray(phd))
iOrder = pitem->iOrder;
}
}
}
if (iOrder > 0)
{
phdi = Header_GetItemPtrByOrder(phd, iOrder - 1);
if (phdi)
x += phdi->x;
}
// move everything else over
Header_ShiftItems(phd, iOrder, cxy);
if (phd->hdsaOrder) {
int j;
int iIndex;
// an index is added, all the current indices
// need to be incr by one
for (j = 0; j < DSA_GetItemCount(phd->hdsaOrder); j++) {
DSA_GetItem(phd->hdsaOrder, j, &iIndex);
if (iIndex >= i) {
iIndex++;
DSA_SetItem(phd->hdsaOrder, j, &iIndex);
}
}
DSA_InsertItem(phd->hdsaOrder, iOrder, &i);
}
hdi.x = x;
hdi.lParam = pitem->lParam;
hdi.fmt = pitem->fmt;
//hdi.pszText = NULL;
//hdi.iImage = 0;
hdi.cxy = cxy;
hdi.xText = hdi.xBm = RECOMPUTE;
hdi.type = HDFT_ISSTRING|HDFT_HASNOVALUE;
//hdi.textFilter.pszText = NULL;
hdi.textFilter.cchTextMax = MAX_PATH;
if ((pitem->mask & HDI_TEXT) && (pitem->pszText != NULL))
{
if (!Str_Set(&hdi.pszText, pitem->pszText))
return -1;
// Unless ownerdraw make sure the text bit is on!
if ((pitem->mask & HDF_OWNERDRAW) == 0)
hdi.fmt |= HDF_STRING;
}
else
{
hdi.fmt &= ~(HDF_STRING);
}
if ((pitem->mask & HDI_BITMAP) && (pitem->hbm != NULL))
{
hdi.hbm = pitem->hbm;
// Unless ownerdraw make sure the text bit is on!
if ((pitem->mask & HDF_OWNERDRAW) == 0)
hdi.fmt |= HDF_BITMAP;
}
else
{
hdi.hbm = NULL;
hdi.fmt &= ~(HDF_BITMAP);
}
if (pitem->mask & HDI_IMAGE)
{
hdi.iImage = pitem->iImage;
// Unless ownerdraw make sure the image bit is on!
if ((pitem->mask & HDF_OWNERDRAW) == 0)
hdi.fmt |= HDF_IMAGE;
}
if ( pitem->mask & HDI_FILTER ) {
// pick up the new filter, handling the case where the filter value is
// being discarded, and/or there is none
hdi.type = pitem->type;
switch ( hdi.type & HDFT_ISMASK ) {
case HDFT_ISSTRING:
{
if ( pitem->pvFilter ) {
LPHDTEXTFILTER ptextFilter = (LPHDTEXTFILTER)pitem->pvFilter;
ASSERT(ptextFilter);
if ( !(pitem->type & HDFT_HASNOVALUE) )
Str_Set(&hdi.textFilter.pszText, ptextFilter->pszText);
hdi.textFilter.cchTextMax = ptextFilter->cchTextMax;
}
break;
}
case HDFT_ISNUMBER:
{
if ( !(pitem->type & HDFT_HASNOVALUE) && pitem->pvFilter )
hdi.intFilter = *((int*)pitem->pvFilter);
break;
}
}
}
i = DSA_InsertItem(phd->hdsaHDI, i, &hdi);
if (i == -1) {
// failed to add
Str_Set(&hdi.pszText, NULL);
if ( (hdi.type & HDFT_ISMASK) == HDFT_ISSTRING )
Str_Set(&hdi.textFilter.pszText, NULL);
} else {
RECT rc;
// succeeded! redraw
GetClientRect(phd->ci.hwnd, &rc);
rc.left = x - cxy;
RedrawWindow(phd->ci.hwnd, &rc, NULL, RDW_INVALIDATE | RDW_ERASE);
MyNotifyWinEvent(EVENT_OBJECT_CREATE, phd->ci.hwnd, OBJID_CLIENT, i+1);
}
return i;
}
BOOL NEAR Header_OnDeleteItem(HD* phd, int i)
{
HDI hdi;
RECT rc;
int iWidth;
int iOrder;
if (!phd)
return FALSE;
if (!DSA_GetItem(phd->hdsaHDI, i, &hdi))
return FALSE;
MyNotifyWinEvent(EVENT_OBJECT_DESTROY, phd->ci.hwnd, OBJID_CLIENT, i+1);
Header_StopFilterEdit(phd, FALSE);
phd->iFocus = 0;
GetClientRect(phd->ci.hwnd, &rc);
iWidth = rc.right;
Header_OnGetItemRect(phd, i, &rc);
InflateRect(&rc, g_cxBorder, g_cyBorder);
// move everything else over
iOrder = Header_OnGetItemOrder(phd, i);
Header_ShiftItems(phd, iOrder, -hdi.cxy);
if (!DSA_DeleteItem(phd->hdsaHDI, i))
return FALSE;
if (phd->hdsaOrder) {
int j;
int iIndex;
DSA_DeleteItem(phd->hdsaOrder, iOrder);
// an index is going away, all the current indices
// need to be decremented by one
for (j = 0; j < DSA_GetItemCount(phd->hdsaOrder); j++) {
DSA_GetItem(phd->hdsaOrder, j, &iIndex);
ASSERT(iIndex != i);
if (iIndex > i) {
iIndex--;
DSA_SetItem(phd->hdsaOrder, j, &iIndex);
}
}
}
Header_DestroyItemCallback(&hdi, NULL);
rc.right = iWidth;
InvalidateRect(phd->ci.hwnd, &rc, TRUE);
return TRUE;
}
#ifdef UNICODE
BOOL NEAR Header_OnGetItemA(HD* phd, int i, HD_ITEMA FAR* pitem) {
LPWSTR pszW = NULL;
LPSTR pszC = NULL;
HD_TEXTFILTERW textFilterW;
LPHD_TEXTFILTERA ptextFilterA = NULL;
BOOL fRet;
//HACK ALERT -- this code assumes that HD_ITEMA is exactly the same
// as HD_ITEMW except for the pointer to the string.
ASSERT(sizeof(HD_ITEMA) == sizeof(HD_ITEMW))
if (!pitem || !phd)
return FALSE;
if ((pitem->mask & HDI_TEXT) && (pitem->pszText != LPSTR_TEXTCALLBACKA) &&
(pitem->pszText != NULL)) {
pszC = pitem->pszText;
pszW = LocalAlloc(LMEM_FIXED, pitem->cchTextMax * sizeof(WCHAR));
if (pszW == NULL)
return FALSE;
pitem->pszText = (LPSTR)pszW;
}
if ( (pitem->mask & HDI_FILTER) &&
((pitem->type & HDFT_ISMASK)==HDFT_ISSTRING) ) {
if ( pitem->pvFilter ) {
ptextFilterA = pitem->pvFilter;
ASSERT(ptextFilterA);
textFilterW.pszText = LocalAlloc(LMEM_FIXED, ptextFilterA->cchTextMax * sizeof(WCHAR));
textFilterW.cchTextMax = ptextFilterA->cchTextMax;
if ( !textFilterW.pszText ) {
if ( pszW )
LocalFree(pszW);
return FALSE;
}
pitem->pvFilter = &textFilterW;
}
}
fRet = Header_OnGetItem(phd, i, (HD_ITEM *) pitem);
if (pszW != NULL) {
ConvertWToAN(phd->ci.uiCodePage, pszC, pitem->cchTextMax, pszW, -1);
pitem->pszText = pszC;
LocalFree(pszW);
}
if (ptextFilterA)
{
ConvertWToAN(phd->ci.uiCodePage, ptextFilterA->pszText, ptextFilterA->cchTextMax,
textFilterW.pszText, -1);
pitem->pvFilter = ptextFilterA;
}
return fRet;
}
#endif
BOOL NEAR Header_OnGetItem(HD* phd, int i, HD_ITEM FAR* pitem)
{
HDI FAR* phdi;
UINT mask;
NMHDDISPINFO nm;
ASSERT(pitem);
if (!pitem || !phd)
return FALSE;
// Crappy hack to fix norton commander. MFC has a bug where it
// passes in stack trash (in addition to the desired bits) to HDM_GETITEM.
// Fix it here by stripping down to Win95 bits if more bits than the
// current valid bits are defined.
if (pitem->mask & ~HDI_ALL)
pitem->mask &= HDI_ALL95;
nm.mask = 0;
mask = pitem->mask;
#ifdef DEBUG
if (i < 0 || i >= Header_GetCount(phd))
{
RIPMSG(0, "HDM_GETITEM: Invalid item number %d", i);
return FALSE; // Return immediately so Header_GetItemPtr doesn't assert
}
#endif
phdi = Header_GetItemPtr(phd, i);
if (!phdi)
return FALSE;
if (mask & HDI_WIDTH)
{
pitem->cxy = phdi->cxy;
}
if (mask & HDI_FORMAT)
{
pitem->fmt = phdi->fmt;
}
if (mask & HDI_ORDER)
{
pitem->iOrder = Header_OnGetItemOrder(phd, i);
}
if (mask & HDI_LPARAM)
{
pitem->lParam = phdi->lParam;
}
if (mask & HDI_TEXT)
{
if (phdi->pszText != LPSTR_TEXTCALLBACK) {
// BUGBUG: warning... this is different than Chicago behavior.
// if pszText was NULL and you tried to retrieve it, we would bail
// and return FALSE, now we may return TRUE.
Str_GetPtr0(phdi->pszText, pitem->pszText, pitem->cchTextMax);
}
else {
// need to recalc the xText because they could keep changing it on us
phdi->xText = RECOMPUTE;
nm.mask |= HDI_TEXT;
}
}
if (mask & HDI_BITMAP)
pitem->hbm = phdi->hbm;
if (mask & HDI_IMAGE)
{
if (phdi->iImage == I_IMAGECALLBACK)
nm.mask |= HDI_IMAGE;
else
pitem->iImage = phdi->iImage;
}
if (mask & HDI_FILTER)
{
if (pitem->pvFilter)
{
if ((phdi->type & HDFT_ISMASK) != (pitem->type & HDFT_ISMASK))
return FALSE;
switch (phdi->type & HDFT_ISMASK)
{
case HDFT_ISSTRING:
{
LPHDTEXTFILTER ptextFilter = (LPHDTEXTFILTER)pitem->pvFilter;
ASSERT(ptextFilter);
if ( !Str_GetPtr(phdi->textFilter.pszText, ptextFilter->pszText, ptextFilter->cchTextMax) )
return FALSE;
ptextFilter->cchTextMax = phdi->textFilter.cchTextMax;
break;
}
case HDFT_ISNUMBER:
{
*((int*)pitem->pvFilter) = phdi->intFilter;
break;
}
default:
return FALSE;
}
}
pitem->type = phdi->type;
}
if (nm.mask) {
// just in case HDI_IMAGE is set and callback doesn't fill it in
// ... we'd rather have a -1 than watever garbage is on the stack
nm.iImage = -1;
nm.lParam = phdi->lParam;
if (nm.mask & HDI_TEXT) {
ASSERT(pitem->pszText);
nm.pszText = pitem->pszText;
nm.cchTextMax = pitem->cchTextMax;
// Make sure the buffer is zero terminated...
if (nm.cchTextMax)
*nm.pszText = 0;
}
CCSendNotify(&phd->ci, HDN_GETDISPINFO, &nm.hdr);
if (nm.mask & HDI_IMAGE)
pitem->iImage = nm.iImage;
if (nm.mask & HDI_TEXT)
{
if (mask & HDI_TEXT)
pitem->pszText = CCReturnDispInfoText(nm.pszText, pitem->pszText, pitem->cchTextMax);
else
pitem->pszText = nm.pszText;
}
}
if (phdi && (nm.mask & HDI_DI_SETITEM)) {
if (nm.mask & HDI_IMAGE)
phdi->iImage = nm.iImage;
if (nm.mask & HDI_TEXT)
if (nm.pszText) {
ASSERT(phdi->pszText == LPSTR_TEXTCALLBACK);
Str_Set(&phdi->pszText, nm.pszText);
}
}
pitem->mask = mask;
return TRUE;
}
#ifdef UNICODE
BOOL NEAR Header_OnSetItemA(HD* phd, int i, HD_ITEMA FAR* pitem) {
LPWSTR pszW = NULL;
LPSTR pszC = NULL;
HD_TEXTFILTERW textFilterW;
LPHD_TEXTFILTERA ptextFilterA = NULL;
BOOL fRet;
//HACK ALERT -- this code assumes that HD_ITEMA is exactly the same
// as HD_ITEMW except for the pointer to the string.
ASSERT(sizeof(HD_ITEMA) == sizeof(HD_ITEMW));
if (!pitem || !phd)
return FALSE;
if ((pitem->mask & HDI_TEXT) && (pitem->pszText != LPSTR_TEXTCALLBACKA) &&
(pitem->pszText != NULL)) {
pszC = pitem->pszText;
if ((pszW = ProduceWFromA(phd->ci.uiCodePage, pszC)) == NULL)
return FALSE;
pitem->pszText = (LPSTR)pszW;
}
if ( (pitem->mask & HDI_FILTER) &&
((pitem->type & HDFT_ISMASK) == HDFT_ISSTRING) )
{
if ( pitem->pvFilter )
{
ptextFilterA = pitem->pvFilter;
ASSERT(ptextFilterA);
textFilterW.pszText = NULL;
textFilterW.cchTextMax = ptextFilterA->cchTextMax;
if ( !(pitem->type & HDFT_HASNOVALUE) )
{
textFilterW.pszText = ProduceWFromA(phd->ci.uiCodePage, ptextFilterA->pszText);
if ( !textFilterW.pszText ) {
if ( pszW )
FreeProducedString(pszW)
return FALSE;
}
}
pitem->pvFilter = &textFilterW;
}
}
fRet = Header_OnSetItem(phd, i, (const HD_ITEM FAR*) pitem);
if (pszW != NULL) {
pitem->pszText = pszC;
FreeProducedString(pszW);
}
if (ptextFilterA)
{
pitem->pvFilter = ptextFilterA;
FreeProducedString(textFilterW.pszText);
}
return fRet;
}
#endif
BOOL NEAR Header_OnSetItem(HD* phd, int i, const HD_ITEM FAR* pitem)
{
HDI FAR* phdi;
UINT mask;
int xOld;
BOOL fInvalidate = FALSE;
ASSERT(pitem);
if (!pitem || !phd)
return FALSE;
#ifdef DEBUG
if (i < 0 || i >= Header_GetCount(phd))
{
RIPMSG(0, "HDM_SETITEM: Invalid item number %d", i);
return FALSE; // Return immediately so Header_GetItemPtr doesn't assert
}
#endif
phdi = Header_GetItemPtr(phd, i);
if (!phdi)
return FALSE;
mask = pitem->mask;
if (mask == 0)
return TRUE;
// stop editing the filter
//Header_StopFilterEdit(phd, FALSE);
if (!Header_SendChange(phd, i, HDN_ITEMCHANGING, pitem))
return FALSE;
xOld = phdi->x;
if (mask & HDI_WIDTH)
{
RECT rcClip;
int iOrder;
int dx;
int cxy = pitem->cxy;
if (cxy < 0)
cxy = 0;
DebugMsg(DM_TRACE, TEXT("Header--SetWidth x=%d, cxyOld=%d, cxyNew=%d, dx=%d"),
phdi->x, phdi->cxy, cxy, (cxy-phdi->cxy));
dx = cxy - phdi->cxy;
phdi->cxy = cxy;
// scroll everything over
GetClientRect(phd->ci.hwnd, &rcClip);
rcClip.left = phdi->x; // we want to scroll the divider as well
// the scrolling rect needs to be the largest rect of the before
// and after. so if dx is negative, we want to enlarge the rect
if (dx < 0)
rcClip.left += dx;
iOrder = Header_OnGetItemOrder(phd, i);
Header_ShiftItems(phd, iOrder, dx);
phdi->xText = phdi->xBm = RECOMPUTE;
{
#ifndef UNIX
SMOOTHSCROLLINFO si = {
sizeof(si),
0,
phd->ci.hwnd,
dx,
0,
NULL,
&rcClip,
NULL,
NULL,
SW_ERASE | SW_INVALIDATE,
};
#else
SMOOTHSCROLLINFO si;
si.cbSize = sizeof(si);
si.fMask = 0;
si.hwnd = phd->ci.hwnd;
si.dx = dx;
si.dy = 0;
si.lprcSrc = NULL;
si.lprcClip = &rcClip;
si.hrgnUpdate = NULL;
si.lprcUpdate = NULL;
si.fuScroll = SW_ERASE | SW_INVALIDATE;
si.uMaxScrollTime = SSI_DEFAULT;
si.cxMinScroll = SSI_DEFAULT;
si.cyMinScroll = SSI_DEFAULT;
si.pfnScrollProc = NULL;
#endif
SmoothScrollWindow(&si);
}
UpdateWindow(phd->ci.hwnd);
// now invalidate this item itself
Header_OnGetItemRect(phd, i, &rcClip);
InvalidateRect(phd->ci.hwnd, &rcClip, FALSE);
}
if (mask & HDI_FORMAT) {
phdi->fmt = pitem->fmt;
phdi->xText = phdi->xBm = RECOMPUTE;
fInvalidate = TRUE;
}
if (mask & HDI_LPARAM)
phdi->lParam = pitem->lParam;
if (mask & HDI_TEXT)
{
if (!Str_Set(&phdi->pszText, pitem->pszText))
return FALSE;
phdi->xText = RECOMPUTE;
fInvalidate = TRUE;
}
if (mask & HDI_BITMAP)
{
phdi->hbm = pitem->hbm;
phdi->xBm = RECOMPUTE;
fInvalidate = TRUE;
}
if (mask & HDI_IMAGE)
{
phdi->iImage = pitem->iImage;
phdi->xBm = RECOMPUTE;
fInvalidate = TRUE;
}
if (mask & HDI_ORDER)
{
if (pitem->iOrder >= 0 && pitem->iOrder < Header_GetCount(phd))
{
Header_OnSetItemOrder(phd, i, pitem->iOrder);
MyNotifyWinEvent(EVENT_OBJECT_REORDER, phd->ci.hwnd, OBJID_CLIENT, 0);
}
}
if ( mask & HDI_FILTER )
{
if ( (phdi->type & HDFT_ISMASK) == HDFT_ISSTRING )
Str_Set(&phdi->textFilter.pszText, NULL);
// pick up the new filter, handling the case where the filter value is
// being discarded, and/or there is none
phdi->type = pitem->type;
switch ( phdi->type & HDFT_ISMASK )
{
case HDFT_ISSTRING:
{
if ( pitem->pvFilter )
{
LPHDTEXTFILTER ptextFilter = (LPHDTEXTFILTER)pitem->pvFilter;
ASSERT(ptextFilter);
if ( !(pitem->type & HDFT_HASNOVALUE) )
Str_Set(&phdi->textFilter.pszText, ptextFilter->pszText);
phdi->textFilter.cchTextMax = ptextFilter->cchTextMax;
}
break;
}
case HDFT_ISNUMBER:
{
if ( !(pitem->type & HDFT_HASNOVALUE) && pitem->pvFilter )
phdi->intFilter = *((int*)pitem->pvFilter);
break;
}
}
fInvalidate = TRUE;
}
Header_SendChange(phd, i, HDN_ITEMCHANGED, pitem);
if ( mask & HDI_FILTER )
Header_Notify(phd, i, 0, HDN_FILTERCHANGE); // send out a notify of change
if (fInvalidate) {
if (xOld == phdi->x) {
// no change in x
Header_InvalidateItem(phd, i, RDW_INVALIDATE| RDW_ERASE);
} else {
RECT rc;
GetClientRect(phd->ci.hwnd, &rc);
if (i > 0) {
HDI FAR * phdiTemp;
phdiTemp = Header_GetItemPtrByOrder(phd, i - 1);
if (phdiTemp) {
rc.left = phdi->x;
}
}
RedrawWindow(phd->ci.hwnd, &rc, NULL, RDW_INVALIDATE | RDW_ERASE);
}
}
return TRUE;
}
// Compute layout for header bar, and leftover rectangle.
//
BOOL NEAR Header_OnLayout(HD* phd, HD_LAYOUT FAR* playout)
{
int cyHeader;
WINDOWPOS FAR* pwpos;
RECT FAR* prc;
RIPMSG(playout != NULL, "HDM_LAYOUT: Invalid NULL pointer");
if (!playout || !phd)
return FALSE;
if (!(playout->pwpos && playout->prc))
return FALSE;
pwpos = playout->pwpos;
prc = playout->prc;
cyHeader = phd->cyChar + 2 * g_cyEdge;
// when filter bar is enabled then lets show that region
if ( phd->ci.style & HDS_FILTERBAR )
cyHeader += phd->cyChar + (2*g_cyEdge) + c_cyFilterBarEdge;
// BUGBUG: we should store the style at creat time
// internal hack style for use with LVS_REPORT|LVS_NOCOLUMNHEADER! edh
if (phd->ci.style & HDS_HIDDEN)
cyHeader = 0;
pwpos->hwndInsertAfter = NULL;
pwpos->flags = SWP_NOZORDER | SWP_NOACTIVATE;
// BUGBUG: ASSERT(phd->style & HDS_HORZ);
pwpos->x = prc->left;
pwpos->cx = prc->right - prc->left;
pwpos->y = prc->top;
pwpos->cy = cyHeader;
prc->top += cyHeader;
return TRUE;
}
BOOL NEAR Header_OnGetItemRect(HD* phd, int i, RECT FAR* prc)
{
HDI FAR* phdi;
phdi = Header_GetItemPtr(phd, i);
if (!phdi)
return FALSE;
GetClientRect(phd->ci.hwnd, prc);
prc->right = phdi->x;
prc->left = prc->right - phdi->cxy;
return TRUE;
}
void NEAR Header_InvalidateItem(HD* phd, int i, UINT uFlags)
{
RECT rc;
if (i != -1) {
Header_OnGetItemRect(phd, i, &rc);
InflateRect(&rc, g_cxBorder, g_cyBorder);
RedrawWindow(phd->ci.hwnd, &rc, NULL, uFlags);
}
}
int NEAR _Header_DrawBitmap(HDC hdc, HIMAGELIST himl, HD_ITEM* pitem,
RECT FAR *prc, int fmt, UINT flags, LPRECT prcDrawn, int iMargin)
{
// This routine returns either the left of the image
// or the right of the image depending on the justification.
// This return value is used in order to properly tack on the
// bitmap when both the HDF_IMAGE and HDF_BITMAP flags are set.
RECT rc;
int xBitmap = 0;
int yBitmap = 0;
int cxBitmap;
int cyBitmap;
IMAGELISTDRAWPARAMS imldp;
HBITMAP hbmOld;
BITMAP bm;
HDC hdcMem;
int cxRc;
SetRectEmpty(prcDrawn);
if (IsRectEmpty(prc))
return prc->left;
rc = *prc;
rc.left += iMargin;
rc.right -= iMargin;
// rc.right -= g_cxEdge; // handle edge
if (rc.left >= rc.right)
return rc.left;
if (pitem->fmt & HDF_IMAGE)
ImageList_GetIconSize(himl, &cxBitmap, &cyBitmap);
else { // pitem->fmt & BITMAP
if (GetObject(pitem->hbm, sizeof(bm), &bm) != sizeof(bm))
return rc.left; // could not get the info about bitmap.
hdcMem = CreateCompatibleDC(hdc);
if (!hdcMem || ((hbmOld = SelectObject(hdcMem, pitem->hbm)) == ERROR))
return rc.left; // an error happened.
cxBitmap = bm.bmWidth;
cyBitmap = bm.bmHeight;
}
if (flags & SHDT_DEPRESSED)
OffsetRect(&rc, g_cxBorder, g_cyBorder);
// figure out all the formatting...
cxRc = rc.right - rc.left; // cache this value
if (fmt == HDF_LEFT)
{
if (cxBitmap > cxRc)
cxBitmap = cxRc;
}
else if (fmt == HDF_CENTER)
{
if (cxBitmap > cxRc)
{
xBitmap = (cxBitmap - cxRc) / 2;
cxBitmap = cxRc;
}
else
rc.left = (rc.left + rc.right - cxBitmap) / 2;
}
else // fmt == HDF_RIGHT
{
if (cxBitmap > cxRc)
{
xBitmap = cxBitmap - cxRc;
cxBitmap = cxRc;
}
else
rc.left = rc.right - cxBitmap;
}
// Now setup vertically
if (cyBitmap > (rc.bottom - rc.top))
{
yBitmap = (cyBitmap - (rc.bottom - rc.top)) / 2;
cyBitmap = rc.bottom - rc.top;
}
else
rc.top = (rc.bottom - rc.top - cyBitmap) / 2;
if (pitem->fmt & HDF_IMAGE) {
imldp.cbSize = sizeof(imldp);
imldp.himl = himl;
imldp.hdcDst = hdc;
imldp.i = pitem->iImage;
imldp.x = rc.left;
imldp.y = rc.top;
imldp.cx = cxBitmap;
imldp.cy = cyBitmap;
imldp.xBitmap= xBitmap;
imldp.yBitmap= yBitmap;
imldp.rgbBk = CLR_DEFAULT;
imldp.rgbFg = CLR_DEFAULT;
imldp.fStyle = ILD_NORMAL;
ImageList_DrawIndirect(&imldp);
}
else { // pitem->fmt & HDF_BITMAP
TraceMsg(TF_HEADER, "h_db: BitBlt to (%d,%d) from (%d, %d)", rc.left, rc.top, xBitmap, yBitmap);
// Last but not least we will do the bitblt.
BitBlt(hdc, rc.left, rc.top, cxBitmap, cyBitmap,
hdcMem, xBitmap, yBitmap, SRCCOPY);
// Unselect our object from the DC
SelectObject(hdcMem, hbmOld);
// Also free any memory dcs we may have created
DeleteDC(hdcMem);
}
*prcDrawn = rc;
prcDrawn->bottom = rc.top + cyBitmap;
prcDrawn->right = rc.left + cxBitmap;
return ((pitem->fmt & HDF_RIGHT) ? rc.left : rc.left+cxBitmap);
}
void Header_DrawButtonEdges(HD* phd, HDC hdc, LPRECT prc, BOOL fItemSunken)
{
UINT uEdge;
UINT uBF;
if (phd->ci.style & HDS_BUTTONS)
{
if (fItemSunken) {
uEdge = EDGE_SUNKEN;
uBF = BF_RECT | BF_SOFT | BF_FLAT;
} else {
uEdge = EDGE_RAISED;
uBF = BF_RECT | BF_SOFT;
}
}
else
{
uEdge = EDGE_ETCHED;
if (phd->ci.style & WS_BORDER)
uBF = BF_RIGHT;
else
uBF = BF_BOTTOMRIGHT;
}
DrawEdge(hdc, prc, uEdge, uBF);
}
void Header_DrawFilterGlyph(HD* phd, HDC hdc, RECT* prc, BOOL fPressed)
{
UINT uEdge = BDR_RAISEDOUTER|BDR_RAISEDINNER;
UINT uBF = BF_RECT;
RECT rc = *prc;
if ( fPressed )
{
uEdge = EDGE_SUNKEN;
uBF = BF_RECT | BF_SOFT | BF_FLAT;
}
if ( !phd->hFilterImage )
{
phd->hFilterImage = ImageList_LoadBitmap(HINST_THISDLL, MAKEINTRESOURCE(IDB_FILTERIMAGE), c_cxFilterImage, 0, RGB(128, 0, 0));
ASSERT(phd->hFilterImage);
if ( !phd->hFilterImage )
return;
}
DrawEdge(hdc, &rc, uEdge, uBF|BF_MIDDLE);
if (fPressed)
OffsetRect(&rc, g_cxBorder, g_cyBorder);
ImageList_Draw(phd->hFilterImage, 0, hdc,
rc.left+(((rc.right-rc.left)-c_cxFilterImage)/2),
rc.top+(((rc.bottom-rc.top)-c_cyFilterImage)/2),
ILD_NORMAL);
}
//
// Oh boy, here come the pictures.
//
// For a left-justified header item, the items are arranged like this.
//
// rcHeader.left rcHeader.right
// | iTextMargin iTextMargin |
// | ->| |<- ->| |<- |
// | | | | | |
// v |<--textSize-->| | v
// +----------------------------------------+
// | |BMPBMP| | |TEXTTEXTTEXT| | |
// +----------------------------------------+
// |<-bmSize->| | |
// | | | | | |
// ->| |<- ->| |<- | |
// iBmMargin iBmMargin | |
// | | |
// |<-------cxTextAndBm------->|
//
//
// For a right-justified header item, the items are arranged like this.
//
// rcHeader.left rcHeader.right
// | iBmMargin iBmMargin |
// | ->| |<- ->| |<- |
// | | | | | |
// v |<-bmSize->| v
// +----------------------------------------+
// | | |BMPBMP| | |TEXTTEXTTEXT| |
// +----------------------------------------+
// | |<---textSize--->|
// | | | | |
// | ->| |<- ->| |<-
// | iTextMargin iTextMargin
// | |
// |<-------cxTextAndBm------->|
//
// Obvious variations apply to center-justified, bitmap-on-right, etc.
// The point is that all the sizes are accounted for in the manner above.
// There are no gratuitous +1's or g_cxEdge's.
//
void Header_DrawItem(HD* phd, HDC hdc, int i, int iIndex, LPRECT prc, UINT uFlags)
{
RECT rcHeader;
RECT rcFilter, rcButton;
RECT rcText; // item text clipping rect
RECT rcBm; // item bitmap clipping rect
COLORREF clrText;
COLORREF clrBk;
DWORD dwRet = CDRF_DODEFAULT;
HDI FAR* phdi; // pointer to current header item
BOOL fItemSunken;
HD_ITEM item; // used for text callback
BOOL fTracking = Header_IsTracking(phd);
UINT uDrawTextFlags;
NMCUSTOMDRAW nmcd;
TCHAR ach[CCHLABELMAX]; // used for text callback
HRGN hrgnClip = NULL;
rcHeader = rcFilter = *prc; // private copies for us to dork
phdi = Header_GetItemPtrByOrder(phd,i);
fItemSunken = (fTracking && (phd->flagsTrack & HHT_ONHEADER) &&
(phd->iTrack == iIndex) && phd->bTrackPress);
// Note that SHDT_EXTRAMARGIN requires phd->iTextMargin >= 3*g_cxLabelMargin
uDrawTextFlags = SHDT_ELLIPSES | SHDT_EXTRAMARGIN | SHDT_CLIPPED;
if(fItemSunken)
uDrawTextFlags |= SHDT_DEPRESSED;
if (phdi->fmt & HDF_OWNERDRAW)
{
DRAWITEMSTRUCT dis;
phd->fOwnerDraw = TRUE;
dis.CtlType = ODT_HEADER;
dis.CtlID = GetWindowID(phd->ci.hwnd);
dis.itemID = iIndex;
dis.itemAction = ODA_DRAWENTIRE;
dis.itemState = (fItemSunken) ? ODS_SELECTED : 0;
dis.hwndItem = phd->ci.hwnd;
dis.hDC = hdc;
dis.rcItem = *prc;
dis.itemData = phdi->lParam;
// Now send it off to my parent...
if (SendMessage(phd->ci.hwndParent, WM_DRAWITEM, dis.CtlID,
(LPARAM)(DRAWITEMSTRUCT FAR *)&dis))
goto DrawEdges; //Ick, but it works
} else {
nmcd.dwItemSpec = iIndex;
nmcd.hdc = hdc;
nmcd.rc = *prc;
nmcd.uItemState = (fItemSunken) ? CDIS_SELECTED : 0;
nmcd.lItemlParam = phdi->lParam;
#ifdef KEYBOARDCUES
if (!(CCGetUIState(&(phd->ci)) & UISF_HIDEFOCUS))
nmcd.uItemState |= CDIS_SHOWKEYBOARDCUES;
#endif
dwRet = CICustomDrawNotify(&phd->ci, CDDS_ITEMPREPAINT, &nmcd);
if (dwRet & CDRF_SKIPDEFAULT) {
return;
}
}
// this is to fetch out any changes the caller might have changed
clrText = GetTextColor(hdc);
clrBk = GetBkColor(hdc);
//
// Now neet to handle the different combinatations of
// text, bitmaps, and images...
//
if ( phd->ci.style & HDS_FILTERBAR )
Header_GetFilterRects(prc, &rcHeader, &rcFilter, &rcButton);
rcText = rcBm = rcHeader;
#ifdef DEBUG
if (GetAsyncKeyState(VK_SHIFT) < 0) {
phdi->fmt ^= HDF_BITMAP_ON_RIGHT;
phdi->xText = RECOMPUTE;
}
#endif
if (phdi->fmt & (HDF_STRING | HDF_IMAGE | HDF_BITMAP)) {
item.mask = HDI_TEXT | HDI_IMAGE | HDI_FORMAT | HDI_BITMAP;
item.pszText = ach;
item.cchTextMax = ARRAYSIZE(ach);
Header_OnGetItem(phd,iIndex,&item);
}
//
// If we have a string and either an image or a bitmap...
//
if ((phdi->fmt & HDF_STRING) && (phdi->fmt & (HDF_BITMAP|HDF_IMAGE)))
{
// BEGIN RECOMPUTE ////////////////////////
//
if ((phdi->xText == RECOMPUTE) || (phdi->xBm == RECOMPUTE))
{
BITMAP bm; // used to calculate bitmap width
// calculate the placement of bitmap rect and text rect
SIZE textSize,bmSize; int dx;
// get total textwidth
GetTextExtentPoint(hdc,item.pszText,lstrlen(item.pszText),
&textSize);
TraceMsg(TF_HEADER, "h_di: GetTextExtentPoint returns %d", textSize.cx);
textSize.cx += 2 * phd->iTextMargin;
// get total bitmap width
if (phdi->fmt & HDF_IMAGE) {
ImageList_GetIconSize(phd->himl,(LPINT)&bmSize.cx,(LPINT)&bmSize.cy);
}
else { // phdi->fmt & HDF_BITMAP
GetObject(phdi->hbm,sizeof(bm), &bm);
bmSize.cx = bm.bmWidth;
TraceMsg(TF_HEADER, "h_di: Bitmap size is %d", bmSize.cx);
}
bmSize.cx += 2 * phd->iBmMargin;
phdi->cxTextAndBm = bmSize.cx + textSize.cx;
// calculate how much extra space we have, if any.
dx = rcHeader.right-rcHeader.left - phdi->cxTextAndBm;
if (dx < 0) {
dx = 0;
phdi->cxTextAndBm = rcHeader.right-rcHeader.left;
}
if (phdi->fmt & HDF_BITMAP_ON_RIGHT) {
switch (phdi->fmt & HDF_JUSTIFYMASK) {
case HDF_LEFT:
phdi->xText = rcHeader.left;
break;
case HDF_RIGHT:
phdi->xText = rcHeader.right - phdi->cxTextAndBm;
break;
case HDF_CENTER:
phdi->xText = rcHeader.left + dx/2;
break;
}
// show as much of the bitmap as possible..
// if we start running out of room, scoot the bitmap
// back on.
if (dx == 0)
phdi->xBm = rcHeader.right - bmSize.cx;
else
phdi->xBm = phdi->xText + textSize.cx;
// clip the values
if (phdi->xBm < rcHeader.left) phdi->xBm = rcHeader.left;
}
else { // BITMAP_ON_LEFT
switch (phdi->fmt & HDF_JUSTIFYMASK) {
case HDF_LEFT:
phdi->xBm = rcHeader.left;
break;
case HDF_RIGHT:
phdi->xBm = rcHeader.right - phdi->cxTextAndBm;
break;
case HDF_CENTER:
phdi->xBm = rcHeader.left + dx/2;
break;
}
phdi->xText = phdi->xBm + bmSize.cx;
// clip the values
if (phdi->xText > rcHeader.right) phdi->xText = rcHeader.right;
}
// xBm and xText are now absolute coordinates..
// change them to item relative coordinates
phdi->xBm -= rcHeader.left;
phdi->xText -= rcHeader.left;
TraceMsg(TF_HEADER, "h_di: phdi->xBm = %d, phdi->xText=%d",phdi->xBm, phdi->xText );
}
//
// END RECOMPUTE /////////////////////////////////
// calculate text and bitmap rectangles
//
rcBm.left = phdi->xBm + rcHeader.left;
rcText.left = phdi->xText + rcHeader.left;
if (phdi->fmt & HDF_BITMAP_ON_RIGHT) {
rcBm.right = rcText.left + phdi->cxTextAndBm;
rcText.right = rcBm.left;
}
else { // BITMAP_ON_LEFT
rcBm.right = rcText.left;
rcText.right = rcBm.left + phdi->cxTextAndBm;
}
}
//
// If we have a bitmap and/or an image...
//
if ((phdi->fmt & HDF_IMAGE) || (phdi->fmt & HDF_BITMAP))
{
BOOL fDrawBoth = FALSE;
RECT rcDrawn;
HRGN hrgn1 = NULL, hrgn2 = NULL;
int temp; // used to determine placement of bitmap.
if ((phdi->fmt & HDF_IMAGE) && (phdi->fmt & HDF_BITMAP)) {
// we have to do both
fDrawBoth = TRUE;
// first do just the image... turn off the bitmap bit
// HACK ALERT! -- Don't call _Header_DrawBitmap with
// both the bitmap and image flags on
// Draw the image...
item.fmt ^= HDF_BITMAP; // turn off bitmap bit
}
if (!(uFlags & HDDF_NOIMAGE)) {
TraceMsg(TF_HEADER, "h_di: about to draw bitmap at rcBm= (%d,%d,%d,%d)",
rcBm.left, rcBm.top, rcBm.right, rcBm.bottom );
temp = _Header_DrawBitmap(hdc, phd->himl, &item, &rcBm,
item.fmt & HDF_JUSTIFYMASK, uDrawTextFlags,
&rcDrawn, phd->iBmMargin);
hrgn1 = CreateRectRgnIndirect(&rcDrawn);
}
if (fDrawBoth) {
// Tack on the bitmap...
// Always tack the bitmap on the right of the image and
// text unless we are right justified. then, tack it on
// left.
item.fmt ^= HDF_BITMAP; // turn on bitmap bit
item.fmt ^= HDF_IMAGE; // and turn off image bit
if (item.fmt & HDF_RIGHT) {
rcBm.right = temp;
if (item.fmt & HDF_STRING) {
rcBm.right = ((rcBm.left < rcText.left) ?
rcBm.left : rcText.left);
}
rcBm.left = rcHeader.left;
}
else {
rcBm.left = temp;
if (item.fmt & HDF_STRING) {
rcBm.left = ((rcBm.right > rcText.right) ? rcBm.right:rcText.right);
}
rcBm.right = rcHeader.right;
}
if (!(uFlags & HDDF_NOIMAGE)) {
_Header_DrawBitmap(hdc, phd->himl, &item, &rcBm,
item.fmt & HDF_RIGHT, uDrawTextFlags,
&rcDrawn, phd->iBmMargin);
hrgn2 = CreateRectRgnIndirect(&rcDrawn);
}
item.fmt ^= HDF_IMAGE; // turn on the image bit
}
// if there were any regions created, union them together
if(hrgn1 && hrgn2) {
hrgnClip = CreateRectRgn(0,0,0,0);
CombineRgn(hrgnClip, hrgn1, hrgn2, RGN_OR);
DeleteObject(hrgn1);
DeleteObject(hrgn2);
} else if (hrgn1) {
hrgnClip = hrgn1;
hrgn1 = NULL;
} else if (hrgn2) {
hrgnClip = hrgn2;
hrgn2 = NULL;
}
// this only happens in the drag/drop case
if ((uFlags & HDDF_NOIMAGE) && !hrgnClip ) {
// this means we didn't draw the images, which means we
// don't have the rects for them,
// which means we need to create a dummy empty hrgnClip;
hrgnClip = CreateRectRgn(0,0,0,0);
}
SaveDC(hdc);
}
if (phdi->fmt & HDF_STRING)
{
#ifdef WINDOWS_ME
if (item.fmt & HDF_RTLREADING)
{
uDrawTextFlags |= SHDT_RTLREADING;
}
#endif
TraceMsg(TF_HEADER, "h_di: about to draw text rcText=(%d,%d,%d,%d)",
rcText.left, rcText.top, rcText.right, rcText.bottom );
SHDrawText(hdc, item.pszText, &rcText,
item.fmt & HDF_JUSTIFYMASK,
uDrawTextFlags, phd->cyChar, phd->cxEllipses,
clrText, clrBk);
if (hrgnClip) {
// if we're building a clipping region, add the text to it.
HRGN hrgnText;
hrgnText = CreateRectRgnIndirect(&rcText);
CombineRgn(hrgnClip, hrgnText, hrgnClip, RGN_OR);
DeleteObject(hrgnText);
}
}
if (phd->ci.style & HDS_FILTERBAR)
{
TCHAR szBuffer[32] = {'\0'};
LPTSTR pBuffer = szBuffer;
DWORD dwButtonState = DFCS_BUTTONPUSH;
uDrawTextFlags = SHDT_ELLIPSES | SHDT_EXTRAMARGIN | SHDT_CLIPPED;
#ifdef WINDOWS_ME
if (item.fmt & HDF_RTLREADING)
uDrawTextFlags |= SHDT_RTLREADING;
#endif
if (phdi->type & HDFT_HASNOVALUE)
{
//BUGBUG: should be cached
LocalizedLoadString(IDS_ENTERTEXTHERE, szBuffer, ARRAYSIZE(szBuffer));
clrText = g_clrGrayText;
}
else
{
clrText = g_clrWindowText;
switch (phdi->type & HDFT_ISMASK)
{
case HDFT_ISSTRING:
pBuffer = phdi->textFilter.pszText;
break;
case HDFT_ISNUMBER:
wsprintf(szBuffer, TEXT("%d"), phdi->intFilter);
break;
default:
ASSERT(FALSE);
break;
}
}
SHDrawText(hdc, pBuffer, &rcFilter,
0, uDrawTextFlags,
phd->cyChar, phd->cxEllipses,
clrText, g_clrWindow);
PatBlt(hdc, rcFilter.left, rcFilter.bottom, rcFilter.right-rcFilter.left, c_cyFilterBarEdge, BLACKNESS);
Header_DrawFilterGlyph(phd, hdc, &rcButton, (i==phd->iButtonDown));
if (hrgnClip) {
// if we're building a clipping region, add the text to it.
HRGN hrgnFilter;
hrgnFilter = CreateRectRgn( rcFilter.left, rcButton.top, rcButton.right, rcButton.bottom );
CombineRgn(hrgnClip, hrgnFilter, hrgnClip, RGN_OR);
DeleteObject(hrgnFilter);
}
if ( phd->fFocus && (phd->iFocus == i)
#ifdef KEYBOARDCUES
&& !(CCGetUIState(&(phd->ci)) & UISF_HIDEFOCUS)
#endif
)
{
InflateRect(&rcFilter, -g_cxEdge/2, -g_cyEdge/2);
SetTextColor(hdc, g_clrWindowText);
DrawFocusRect(hdc, &rcFilter);
}
}
if (hrgnClip) {
HRGN hrgnAll;
HRGN hrgn;
// hrgnClip is the union of everyplace we've drawn..
// we want just the opposite.. so xor it
hrgnAll = CreateRectRgnIndirect(&rcHeader);
hrgn = CreateRectRgn(0, 0,0,0);
CombineRgn(hrgn, hrgnAll, hrgnClip, RGN_XOR);
SelectClipRgn(hdc, hrgn);
ExtTextOut(hdc, 0, 0, ETO_OPAQUE, &rcHeader, NULL, 0, NULL);
RestoreDC(hdc, -1);
DeleteObject(hrgnClip);
DeleteObject(hrgn);
DeleteObject(hrgnAll);
}
DrawEdges:
if (!(uFlags & HDDF_NOEDGE)) {
Header_DrawButtonEdges(phd, hdc, &rcHeader, fItemSunken);
}
if (dwRet & CDRF_NOTIFYPOSTPAINT) {
CICustomDrawNotify(&phd->ci, CDDS_ITEMPOSTPAINT, &nmcd);
}
}
void NEAR Header_Draw(HD* phd, HDC hdc, RECT FAR* prcClip)
{
int i; // index of current header item
int cItems; // number of items in header
RECT rc; // item clipping rect
BOOL fTracking;
HFONT hfontOld = NULL;
HDC hdcMem = NULL;
int iIndex;
NMCUSTOMDRAW nmcd;
COLORREF clrText;
fTracking = Header_IsTracking(phd);
if (phd->hfont)
hfontOld = SelectFont(hdc, phd->hfont);
cItems = DSA_GetItemCount(phd->hdsaHDI);
nmcd.hdc = hdc;
nmcd.uItemState = 0;
nmcd.lItemlParam = 0;
nmcd.rc = *prcClip;
phd->ci.dwCustom = CICustomDrawNotify(&phd->ci, CDDS_PREPAINT, &nmcd);
for (i = 0 ; i < cItems; i++)
{
iIndex = Header_ItemOrderToIndex(phd, i);
Header_OnGetItemRect(phd, iIndex, &rc);
if (prcClip)
{
if (rc.right < prcClip->left)
continue;
if (rc.left >= prcClip->right)
break;
}
if (iIndex == phd->iHot) {
clrText = GetSysColor(COLOR_HOTLIGHT);
} else {
clrText = g_clrBtnText;
}
SetTextColor(hdc, clrText);
SetBkColor(hdc, g_clrBtnFace);
Header_DrawItem(phd, hdc, i, iIndex, &rc, 0);
}
if (i == cItems) {
// we got through the loop... now we need to do the blank area on the right
rc.left = rc.right;
rc.right = 32000;
Header_DrawButtonEdges(phd, hdc, &rc, FALSE);
}
if (!HDDragFullWindows(phd) && fTracking && (phd->flagsTrack & (HHT_ONDIVIDER | HHT_ONDIVOPEN)))
Header_DrawDivider(phd, phd->xTrack);
// draw the hot divider
if (phd->iNewOrder != -1) {
RECT rc;
COLORREF clrHot = GetSysColor(COLOR_HOTLIGHT);
Header_GetDividerRect(phd, phd->iNewOrder, &rc);
FillRectClr(hdc, &rc, clrHot);
}
if (phd->ci.dwCustom & CDRF_NOTIFYPOSTPAINT) {
CICustomDrawNotify(&phd->ci, CDDS_POSTPAINT, &nmcd);
}
if (hfontOld)
SelectFont(hdc, hfontOld);
}
HIMAGELIST Header_OnCreateDragImage(HD* phd, int i)
{
HDC hdcMem;
RECT rc;
HBITMAP hbmImage = NULL;
HBITMAP hbmMask = NULL;
HFONT hfontOld = NULL;
HIMAGELIST himl = NULL;
HIMAGELIST himlDither = NULL;
HBITMAP hbmOld = NULL;
BOOL bMirroredWnd = (phd->ci.dwExStyle&RTL_MIRRORED_WINDOW);
int iIndex = Header_ItemOrderToIndex(phd, i);
// IEUNIX : Fixing crash in OE while dragging the message
// header.
if( !Header_OnGetItemRect(phd, iIndex, &rc) )
goto Bail;
// draw the header into this bitmap
OffsetRect(&rc, -rc.left, -rc.top);
if (!(hdcMem = CreateCompatibleDC(NULL)))
goto Bail;
if (!(hbmImage = CreateColorBitmap(rc.right, rc.bottom)))
goto Bail;
if (!(hbmMask = CreateMonoBitmap(rc.right, rc.bottom)))
goto Bail;
//
// Mirror the memory DC so that the transition from
// mirrored(memDC)->non-mirrored(imagelist DCs)->mirrored(screenDC)
// is consistent. [samera]
//
if (bMirroredWnd) {
SET_DC_RTL_MIRRORED(hdcMem);
}
if (phd->hfont)
hfontOld = SelectFont(hdcMem, phd->hfont);
if (!(himl = ImageList_Create(rc.right, rc.bottom, ILC_MASK, 1, 0)))
goto Bail;
if (!(himlDither = ImageList_Create(rc.right, rc.bottom, ILC_MASK, 1, 0)))
goto Bail;
// have the darker background
SetTextColor(hdcMem, g_clrBtnText);
SetBkColor(hdcMem, g_clrBtnShadow);
hbmOld = SelectObject(hdcMem, hbmImage);
Header_DrawItem(phd, hdcMem, i, iIndex, &rc, HDDF_NOEDGE);
//
// If the header is RTL mirrored, then
// mirror the Memory DC, so that when copying back
// we don't get any image-flipping. [samera]
//
if (bMirroredWnd)
MirrorBitmapInDC(hdcMem, hbmImage);
// fill the mask with all black
SelectObject(hdcMem, hbmMask);
PatBlt(hdcMem, 0, 0, rc.right, rc.bottom, BLACKNESS);
// put the image into an imagelist
SelectObject(hdcMem, hbmOld);
ImageList_SetBkColor(himl, CLR_NONE);
ImageList_Add(himl, hbmImage, hbmMask);
// have the darker background
// now put the text in undithered.
SetTextColor(hdcMem, g_clrBtnText);
SetBkColor(hdcMem, g_clrBtnShadow);
hbmOld = SelectObject(hdcMem, hbmImage);
Header_DrawItem(phd, hdcMem, i, iIndex, &rc, HDDF_NOIMAGE | HDDF_NOEDGE);
DrawEdge(hdcMem, &rc, EDGE_BUMP, BF_RECT | BF_FLAT);
//
// If the header is RTL mirrored, then
// mirror the Memory DC, so that when copying back
// we don't get any image-flipping. [samera]
//
if (bMirroredWnd)
MirrorBitmapInDC(hdcMem, hbmImage);
/*
// initialize this to transparent
SelectObject(hdcMem, hbmImage);
PatBlt(hdcMem, 0, 0, rc.right, rc.bottom, BLACKNESS);
SelectObject(hdcMem, hbmMask);
PatBlt(hdcMem, 0, 0, rc.right, rc.bottom, WHITENESS);
*/
SelectObject(hdcMem, hbmOld);
ImageList_AddMasked(himlDither, hbmImage, g_clrBtnShadow);
// dither image into himlDithered
ImageList_CopyDitherImage(himlDither, 0, 0, 0,
himl, 0, 0);
Bail:
if (himl) {
ImageList_Destroy(himl);
}
if (hdcMem) {
if (hbmOld)
SelectObject(hdcMem, hbmOld);
if (hfontOld)
SelectFont(hdcMem, hfontOld);
DeleteObject(hdcMem);
}
if (hbmImage)
DeleteObject(hbmImage);
if (hbmMask)
DeleteObject(hbmMask);
return himlDither;
}
void Header_GetFilterRects(LPRECT prcItem, LPRECT prcHeader, LPRECT prcFilter, LPRECT prcButton)
{
INT cyFilter = ((prcItem->bottom-prcItem->top)-c_cyFilterBarEdge)/2;
*prcButton = *prcFilter = *prcHeader = *prcItem;
prcHeader->bottom = prcHeader->top + cyFilter;
prcButton->left = prcFilter->right = prcFilter->right -= (g_cxBorder*4)+c_cxFilterImage;
prcButton->top = prcFilter->top = prcHeader->bottom;
prcFilter->bottom = prcFilter->top + cyFilter;
}
//
// Subclass the edit control to ensure we get the keys we are interested in
//
LRESULT CALLBACK Header_EditWndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
HD* phd = (HD*)GetWindowPtr(GetParent(hwnd), 0);
ASSERT(phd);
switch (msg)
{
case WM_KILLFOCUS:
Header_StopFilterEdit(phd, FALSE);
return 0L;
case WM_KEYDOWN:
{
if (wParam == VK_RETURN)
{
Header_StopFilterEdit(phd, FALSE);
return 0L;
}
else if (wParam == VK_ESCAPE)
{
Header_StopFilterEdit(phd, TRUE);
return 0L;
}
else if (wParam == VK_F4 )
{
Header_OnFilterButton(phd, phd->iEdit);
return 0L;
}
break;
}
case WM_CHAR:
{
switch (wParam)
{
case VK_RETURN:
case VK_ESCAPE:
case VK_TAB:
return 0L; // eat these so we don't beep
}
#ifdef KEYBOARDCUES
//notify of navigation key usage
CCNotifyNavigationKeyUsage(&(phd->ci), UISF_HIDEFOCUS);
#endif
break;
}
case WM_GETDLGCODE:
return DLGC_WANTALLKEYS | DLGC_HASSETSEL; /* editing name, no dialog handling right now */
#ifdef KEYBOARDCUES
case WM_UPDATEUISTATE:
{
DWORD dwUIStateMask = MAKEWPARAM(0xFFFF, UISF_HIDEFOCUS);
if (CCOnUIState(&(phd->ci), WM_UPDATEUISTATE, wParam & dwUIStateMask, lParam))
InvalidateRect(hwnd, NULL, TRUE);
break;
}
#endif
}
return CallWindowProc(phd->pfnEditWndProc, hwnd, msg, wParam, lParam);
}
//
// Begin to edit the given column, displaying the editor as required
//
BOOL Header_BeginFilterEdit(HD* phd, int i)
{
RECT rc, rcHeader, rcFilter, rcButton;
int iIndex = i;
int cxEdit, cyEdit;
TCHAR szBuffer[MAX_PATH];
LPTSTR pBuffer = szBuffer;
int cchBuffer = MAX_PATH;
UINT uFlags = WS_CLIPSIBLINGS|WS_VISIBLE|WS_CHILD|ES_AUTOHSCROLL;
HDI* phdi = Header_GetItemPtr(phd, i);
if ( !phdi || (i < 0) )
return FALSE; // yikes
// lets create an edit control that allows the user to
// modify the current filter, note that we first must
// format the data to be displayed in the control
Header_OnGetItemRect(phd, iIndex, &rc);
Header_GetFilterRects(&rc, &rcHeader, &rcFilter, &rcButton);
phd->typeOld = phdi->type; // keep the type field safe
switch (phdi->type & HDFT_ISMASK)
{
case HDFT_ISSTRING:
Str_Set(&phd->pszFilterOld, phdi->textFilter.pszText);
pBuffer = phdi->textFilter.pszText;
// This count does not include the terminating null
cchBuffer = phdi->textFilter.cchTextMax;
break;
case HDFT_ISNUMBER:
phd->intFilterOld = phdi->intFilter;
wsprintf(szBuffer, TEXT("%d"), phdi->intFilter);
cchBuffer = 11; // 10 digits, plus sign
uFlags |= ES_NUMBER;
break;
default:
return FALSE;
}
cxEdit = (rcFilter.right-rcFilter.left)-(g_cxLabelMargin*6);
cyEdit = (rcFilter.bottom-rcFilter.top)-(g_cyEdge*2);
phd->hwndEdit = CreateWindow(TEXT("EDIT"),
!(phdi->type & HDFT_HASNOVALUE) ? pBuffer:TEXT(""),
uFlags,
rcFilter.left+(g_cxLabelMargin*3),
rcFilter.top+g_cyEdge,
cxEdit, cyEdit,
phd->ci.hwnd,
NULL, HINST_THISDLL, NULL);
if ( phd->hwndEdit )
{
INT iOldFocus = phd->iFocus;
//
// Setup the edit mode for this object?
//
phd->iEdit = i; // now editing this column
phd->iFocus = Header_OnGetItemOrder(phd, i);
Header_OnGetItemRect(phd, Header_ItemOrderToIndex(phd, iOldFocus), &rc); // nb: iOldFocus
Header_GetFilterRects(&rc, &rcHeader, &rcFilter, &rcButton);
RedrawWindow(phd->ci.hwnd, &rcFilter, NULL, RDW_INVALIDATE | RDW_ERASE);
//
// Now subclass the edit control so we can trap the keystrokes we are interested in
//
phd->pfnEditWndProc = SubclassWindow(phd->hwndEdit, Header_EditWndProc);
ASSERT(phd->pfnEditWndProc);
Edit_LimitText(phd->hwndEdit, cchBuffer);
Edit_SetSel(phd->hwndEdit, 0, -1);
FORWARD_WM_SETFONT(phd->hwndEdit, phd->hfont, FALSE, SendMessage);
SetFocus(phd->hwndEdit);
}
return(phd->hwndEdit != NULL);
}
//
// Stop editing the fitler, discarding the change if we need to, otherwise
// the item has the correct information stored within it.
//
VOID Header_StopFilterEdit(HD* phd, BOOL fDiscardChanges)
{
if ( phd->iEdit >= 0 )
{
HDI* phdi = Header_GetItemPtr(phd, phd->iEdit);
HD_ITEM hdi;
HD_TEXTFILTER textFilter;
int intFilter;
ASSERT(phdi);
if ( fDiscardChanges )
{
hdi.mask = HDI_FILTER;
hdi.type = phd->typeOld;
switch (phdi->type & HDFT_ISMASK)
{
case HDFT_ISSTRING:
textFilter.pszText = phd->pszFilterOld;
textFilter.cchTextMax = phdi->textFilter.cchTextMax;
hdi.pvFilter = &textFilter;
break;
case HDFT_ISNUMBER:
intFilter = phd->intFilterOld;
hdi.pvFilter = &intFilter;
break;
}
Header_OnSetItem(phd, phd->iEdit, &hdi);
}
else
{
Header_FilterChanged(phd, FALSE); // ensure we flush the changes
}
if ( phd->hwndEdit )
{
SubclassWindow(phd->hwndEdit, phd->pfnEditWndProc);
DestroyWindow(phd->hwndEdit);
phd->hwndEdit = NULL;
}
phd->iEdit = -1;
phd->pszFilterOld = NULL;
}
}
//
// Send a filter change to the parent, either now or wait until the timeout
// expires.
//
VOID Header_FilterChanged(HD* phd, BOOL fWait)
{
if ( phd->iEdit < 0 )
return;
if ( fWait )
{
// defering the notify, therefore lets set the timer (killing any
// previous ones) and marking that we are waiting on it.
KillTimer(phd->ci.hwnd, HD_EDITCHANGETIMER);
SetTimer(phd->ci.hwnd, HD_EDITCHANGETIMER, phd->iFilterChangeTimeout, NULL);
phd->fFilterChangePending = TRUE;
}
else
{
HDI* phdi = Header_GetItemPtrByOrder(phd, phd->iEdit);
ASSERT(phdi);
// if we have a change notify pending then lets send it to
// the parent window, otherwise we just swallow it.
if ( phd->fFilterChangePending )
{
TCHAR szBuffer[MAX_PATH];
HD_ITEM hdi;
HD_TEXTFILTER textFilter;
int intFilter;
KillTimer(phd->ci.hwnd, HD_EDITCHANGETIMER);
phd->fFilterChangePending = FALSE;
hdi.mask = HDI_FILTER;
hdi.type = phdi->type & ~HDFT_HASNOVALUE;
if ( !GetWindowText(phd->hwndEdit, szBuffer, ARRAYSIZE(szBuffer)) )
hdi.type |= HDFT_HASNOVALUE;
switch (phdi->type & HDFT_ISMASK)
{
case HDFT_ISSTRING:
textFilter.pszText = szBuffer;
textFilter.cchTextMax = phdi->textFilter.cchTextMax;
hdi.pvFilter = &textFilter;
break;
case HDFT_ISNUMBER:
intFilter = StrToInt(szBuffer);
hdi.pvFilter = &intFilter;
break;
}
Header_OnSetItem(phd, phd->iEdit, &hdi);
}
}
}
//
// Handle the user displaying the filter menu
//
VOID Header_OnFilterButton(HD* phd, INT i)
{
NMHDFILTERBTNCLICK fbc;
RECT rc, rcHeader, rcFilter;
// filter button being depressed so depress it, then tell the user
// that it went down so they can display the UI they want, before
// we pop the button. if the notify returns TRUE then send
// a change notify around.
Header_StopFilterEdit(phd, FALSE);
ASSERT(phd->iButtonDown == -1);
phd->iButtonDown = i;
Header_InvalidateItem(phd, i, RDW_INVALIDATE);
UpdateWindow(phd->ci.hwnd);
ZeroMemory(&fbc, SIZEOF(fbc));
fbc.iItem = i;
// fbc.rc = { 0, 0, 0, 0 };
Header_OnGetItemRect(phd, i, &rc);
Header_GetFilterRects(&rc, &rcHeader, &rcFilter, &fbc.rc);
if ( CCSendNotify(&phd->ci, HDN_FILTERBTNCLICK, &fbc.hdr) )
Header_Notify(phd, i, 0, HDN_FILTERCHANGE);
phd->iButtonDown = -1;
Header_InvalidateItem(phd, i, RDW_INVALIDATE);
UpdateWindow(phd->ci.hwnd);
}
//
// Handle clearing the filter for the given item
//
LRESULT Header_OnClearFilter(HD* phd, INT i)
{
HDI* phdi;
HD_ITEM hdi;
INT iChanged = 0;
Header_StopFilterEdit(phd, FALSE);
if ( i == -1 )
{
//
// clear all filters by setting setting the HDFT_HASNOVALUEFLAG on all items
// remember to release the filter data. For each item we also send an item
// changing indicating that the filter is changing and then a item changed
// to indicat that we really did fix the value.
//
for ( i = 0 ; i < DSA_GetItemCount(phd->hdsaHDI); i++ )
{
phdi = Header_GetItemPtrByOrder(phd, i);
ASSERT(phdi);
if ( !(phdi->type & HDFT_HASNOVALUE) )
{
hdi.mask = HDI_FILTER;
hdi.type = phdi->type|HDFT_HASNOVALUE;
hdi.pvFilter = NULL;
if ( Header_SendChange(phd, i, HDN_ITEMCHANGING, &hdi) )
{
if ( (phdi->type & HDFT_ISMASK) == HDFT_ISSTRING )
Str_Set(&phdi->textFilter.pszText, NULL);
phdi->type |= HDFT_HASNOVALUE; // item is now empty
Header_SendChange(phd, i, HDN_ITEMCHANGED, &hdi);
iChanged++;
}
}
}
if ( iChanged )
{
//
// item == -1 indicating that we are cleared all filters, then invalidate
// the window so that the filter values are no longer visible
//
Header_Notify(phd, -1, 0, HDN_FILTERCHANGE); // send out a notify of change
RedrawWindow(phd->ci.hwnd, NULL, NULL, RDW_INVALIDATE | RDW_ERASE);
}
}
else
{
if ( (i < 0) || (i > DSA_GetItemCount(phd->hdsaHDI)) )
return 0L;
phdi = Header_GetItemPtrByOrder(phd, i);
ASSERT(phdi);
if ( !(phdi->type & HDFT_HASNOVALUE) )
{
//
// clear a single filter by setting the HDFT_HASNOVALUE flag
//
hdi.mask = HDI_FILTER;
hdi.type = phdi->type|HDFT_HASNOVALUE;
hdi.pvFilter = NULL;
Header_OnSetItem(phd, i, &hdi);
}
}
return 1L;
}
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