2451 lines
72 KiB
C
2451 lines
72 KiB
C
// report view stuff (details)
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#include "ctlspriv.h"
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#include "listview.h"
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#include <limits.h>
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void ListView_RGetRectsEx(LV* plv, int iItem, int iSubItem, LPRECT prcIcon, LPRECT prcLabel);
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int ListView_RXHitTest(LV* plv, int x);
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void NEAR PASCAL ListView_RInitialize(LV* plv, BOOL fInval)
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{
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MEASUREITEMSTRUCT mi;
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if (plv && (plv->ci.style & LVS_OWNERDRAWFIXED)) {
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int iOld = plv->cyItem;
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mi.CtlType = ODT_LISTVIEW;
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mi.CtlID = GetDlgCtrlID(plv->ci.hwnd);
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mi.itemHeight = plv->cyItem; // default
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SendMessage(plv->ci.hwndParent, WM_MEASUREITEM, mi.CtlID, (LPARAM)(MEASUREITEMSTRUCT FAR *)&mi);
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plv->cyItem = max(mi.itemHeight, 1); // never let app set height=0 or we fault-o-rama!
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if (fInval && (iOld != plv->cyItem)) {
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RedrawWindow(plv->ci.hwnd, NULL, NULL, RDW_INVALIDATE | RDW_ERASE);
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}
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}
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}
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DWORD ListView_RApproximateViewRect(LV* plv, int iCount, int iWidth, int iHeight)
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{
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RECT rc;
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ListView_RGetRects(plv, iCount, NULL, NULL, &rc, NULL);
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rc.bottom += plv->ptlRptOrigin.y;
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rc.right += plv->ptlRptOrigin.x;
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return MAKELONG(rc.right, rc.bottom);
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}
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void CCDrawRect(HDC hdc, int x, int y, int dx, int dy)
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{
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RECT rc;
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rc.left = x;
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rc.top = y;
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rc.right = x + dx;
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rc.bottom = y + dy;
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ExtTextOut(hdc,0,0,ETO_OPAQUE,&rc,NULL,0,NULL);
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}
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void NEAR PASCAL ListView_RAfterRedraw(LV* plv, HDC hdc)
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{
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if (plv->exStyle & LVS_EX_GRIDLINES) {
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int i;
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int x;
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COLORREF clrBk;
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clrBk = SetBkColor(hdc, g_clrBtnFace);
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x = -plv->ptlRptOrigin.x;
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for (i = 0 ; (i < plv->cCol) && (x < plv->sizeClient.cx); i++) {
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HD_ITEM hitem;
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hitem.mask = HDI_WIDTH;
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Header_GetItem(plv->hwndHdr,
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SendMessage(plv->hwndHdr, HDM_ORDERTOINDEX, i, 0),
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&hitem);
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x += hitem.cxy;
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if (x > 0) {
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CCDrawRect(hdc, x, 0, g_cxBorder, plv->sizeClient.cy);
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}
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}
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for (x = plv->yTop - 1; (x < plv->sizeClient.cy); x += plv->cyItem) {
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CCDrawRect(hdc, 0, x, plv->sizeClient.cx, g_cxBorder);
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}
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SetBkColor(hdc, clrBk);
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}
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}
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//
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// Internal function to Get the CXLabel, taking into account if the listview
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// has no item data and also if RECOMPUTE needs to happen.
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//
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SHORT NEAR PASCAL ListView_RGetCXLabel(LV* plv, int i, LISTITEM FAR* pitem,
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HDC hdc, BOOL fUseItem)
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{
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SHORT cxLabel = SRECOMPUTE;
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if (!ListView_IsOwnerData( plv )) {
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cxLabel = pitem->cxSingleLabel;
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}
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if (cxLabel == SRECOMPUTE)
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{
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LISTITEM item;
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if (!pitem)
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{
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ASSERT(!fUseItem)
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pitem = &item;
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fUseItem = FALSE;
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}
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ListView_RecomputeLabelSize(plv, pitem, i, hdc, fUseItem);
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cxLabel = pitem->cxSingleLabel;
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}
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// add on the space around the label taken up by the select rect
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cxLabel += 2*g_cxLabelMargin;
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return(cxLabel);
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}
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//
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// Returns FALSE if no more items to draw.
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//
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BOOL ListView_RDrawItem(PLVDRAWITEM plvdi)
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{
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BOOL fDrawFocusRect = FALSE;
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RECT rcIcon;
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RECT rcLabel;
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RECT rcBounds;
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RECT rcT;
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LV* plv = plvdi->plv;
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int iCol = 0;
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LVITEM item;
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HDITEM hitem;
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TCHAR ach[CCHLABELMAX];
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UINT fText = 0;
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UINT uSubItemFlags;
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int iIndex = 0;
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int xOffset = 0;
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int yOffset = 0;
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ListView_RGetRects(plv, (int)plvdi->nmcd.nmcd.dwItemSpec, NULL, NULL, &rcBounds, NULL);
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if (rcBounds.bottom <= plv->yTop)
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return TRUE;
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if (plvdi->prcClip)
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{
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if (rcBounds.top >= plvdi->prcClip->bottom)
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return FALSE; // no more items need painting.
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// Probably this condition won't happen very often...
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if (!IntersectRect(&rcT, &rcBounds, plvdi->prcClip))
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return TRUE;
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}
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// REVIEW: this would be faster if we did the GetClientRect
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// outside the loop.
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//
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if (rcBounds.top >= plv->sizeClient.cy)
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return FALSE;
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if (plvdi->lpptOrg)
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{
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xOffset = plvdi->lpptOrg->x - rcBounds.left;
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yOffset = plvdi->lpptOrg->y - rcBounds.top;
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OffsetRect(&rcBounds, xOffset, yOffset);
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}
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item.iItem = (int)plvdi->nmcd.nmcd.dwItemSpec;
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item.stateMask = LVIS_ALL;
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// for first ListView_OnGetItem call
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item.state = 0;
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if (plv->ci.style & LVS_OWNERDRAWFIXED) {
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goto SendOwnerDraw;
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}
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SetRectEmpty(&rcT);
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for (; iCol < plv->cCol; iCol++)
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{
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DWORD dwCustom = 0;
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UINT uImageFlags;
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iIndex = (int) SendMessage(plv->hwndHdr, HDM_ORDERTOINDEX, iCol, 0);
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SendOwnerDraw:
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if (iIndex == 0) {
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item.mask = LVIF_TEXT | LVIF_IMAGE | LVIF_STATE | LVIF_INDENT;
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} else {
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// Next time through, we only want text for subitems...
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item.mask = LVIF_TEXT | LVIF_IMAGE | LVIF_STATE;
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}
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item.iImage = -1;
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item.iSubItem = iIndex;
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item.pszText = ach;
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item.cchTextMax = ARRAYSIZE(ach);
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ListView_OnGetItem(plv, &item);
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uSubItemFlags = plvdi->flags;
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if (iIndex == 0) {
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// if it's owner draw, send off a message and return.
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// do this after we've collected state information above though
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if (plv->ci.style & LVS_OWNERDRAWFIXED) {
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DRAWITEMSTRUCT di = {0};
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di.CtlType = ODT_LISTVIEW;
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di.CtlID = GetDlgCtrlID(plv->ci.hwnd);
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di.itemID = (int)plvdi->nmcd.nmcd.dwItemSpec;
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di.itemAction = ODA_DRAWENTIRE;
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di.hwndItem = plv->ci.hwnd;
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di.hDC = plvdi->nmcd.nmcd.hdc;
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di.rcItem = rcBounds;
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if (plvdi->pitem)
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di.itemData = plvdi->pitem->lParam;
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if (item.state & LVIS_FOCUSED) {
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di.itemState |= ODS_FOCUS;
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}
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if (item.state & LVIS_SELECTED) {
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di.itemState |= ODS_SELECTED;
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}
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SendMessage(plv->ci.hwndParent, WM_DRAWITEM, di.CtlID,
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(LPARAM)(DRAWITEMSTRUCT FAR *)&di);
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return TRUE;
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}
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}
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hitem.mask = HDI_WIDTH | HDI_FORMAT;
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Header_GetItem(plv->hwndHdr, iIndex, &hitem);
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// first get the rects...
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ListView_RGetRectsEx(plv, (int)plvdi->nmcd.nmcd.dwItemSpec, iIndex, &rcIcon, &rcLabel);
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OffsetRect(&rcIcon, xOffset, yOffset);
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OffsetRect(&rcLabel, xOffset, yOffset);
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if (plvdi->dwCustom & CDRF_NOTIFYSUBITEMDRAW) {
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RECT rcTemp;
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UINT uItemStateOld = plvdi->nmcd.nmcd.uItemState, uItemStateNew;
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SendMessage(plv->hwndHdr, HDM_GETITEMRECT, iIndex, (LPARAM)&rcTemp);
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plvdi->nmcd.nmcd.rc.left = rcTemp.left;
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plvdi->nmcd.nmcd.rc.right = rcTemp.right;
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plvdi->nmcd.iSubItem = iIndex;
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// Note: IE4 didn't reset nmcd.clrText or nmcd.clrTextBk
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// before each subitem. This is arguably a bug, but we
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// shipped that way so I guess we're stuck with it.
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dwCustom = CICustomDrawNotify(&plvdi->plv->ci, CDDS_SUBITEM | CDDS_ITEMPREPAINT, &plvdi->nmcd.nmcd);
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uItemStateNew = plvdi->nmcd.nmcd.uItemState;
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plvdi->nmcd.nmcd.uItemState = uItemStateOld;
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if (dwCustom & CDRF_SKIPDEFAULT)
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continue;
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uSubItemFlags &= ~(LVDI_FOCUS | LVDI_SELECTED | LVDI_SELECTNOFOCUS | LVDI_HOTSELECTED);
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if (uItemStateNew & CDIS_FOCUS)
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uSubItemFlags |= LVDI_FOCUS;
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if (uItemStateNew & CDIS_SELECTED) {
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if (plvdi->plv->flags & LVF_FOCUSED)
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uSubItemFlags |= LVDI_SELECTED;
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else
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uSubItemFlags |= LVDI_SELECTNOFOCUS;
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if (plvdi->plv->iHot == (int)plvdi->nmcd.nmcd.dwItemSpec)
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uSubItemFlags |= LVDI_HOTSELECTED;
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}
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}
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if (iIndex != 0)
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{
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// for right now, add this in because the get rects for
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// non 0 doesn't account for the icon (yet)
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if (item.iImage != -1)
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rcLabel.left += plv->cxSmIcon;
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}
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uImageFlags = uSubItemFlags;
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if (item.iImage == -1) {
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if (iIndex != 0)
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// just use ListView_DrawImage to get the fText
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uImageFlags |= LVDI_NOIMAGE;
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}
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else if (ListView_FullRowSelect(plv) && iCol)
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{
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int iLeft = rcIcon.left;
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int iRight = rcIcon.right;
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// for full row select when the icon is not in the first column,
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// we need to explicitly paint the background so focus rect
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// remnants aren't left behind (jeffbog -- 07/09/96)
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/// need to deal with the state image if index == 0.
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// all the otehr columns don't have state images.
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if (iIndex == 0) {
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rcIcon.left -= plv->cxState + g_cxEdge;
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}
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rcIcon.right = rcLabel.right;
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FillRect(plvdi->nmcd.nmcd.hdc, &rcIcon, plv->hbrBk);
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rcIcon.left = iLeft;
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rcIcon.right = iRight;
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}
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fText = ListView_DrawImageEx(plv, &item, plvdi->nmcd.nmcd.hdc,
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rcIcon.left, rcIcon.top, uSubItemFlags, rcLabel.right);
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if (ListView_FullRowSelect(plv) && (uSubItemFlags & LVDI_FOCUS)) {
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// if we're doing a full row selection, collect the union
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// of the labels for the focus rect
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UnionRect(&rcT, &rcT, &rcLabel);
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}
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if (item.pszText)
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{
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int xLabelRight = rcLabel.right;
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UINT textflags;
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// give all but the first columns extra margins so
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// left and right justified things don't stick together
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textflags = (iIndex == 0) ? SHDT_ELLIPSES : SHDT_ELLIPSES | SHDT_EXTRAMARGIN;
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// rectangle limited to the size of the string
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textflags |= fText;
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if ((!ListView_FullRowSelect(plv)) &&
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((fText & (SHDT_SELECTED | SHDT_SELECTNOFOCUS)) || (item.state & LVIS_FOCUSED)))
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{
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int cxLabel;
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// if selected or focused, the rectangle is more
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// meaningful and should correspond to the string
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//
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if (iIndex == 0) {
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LISTITEM litem;
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LISTITEM FAR *pitem = plvdi->pitem;
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if (!pitem) {
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pitem = &litem;
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litem.pszText = item.pszText;
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}
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cxLabel = ListView_RGetCXLabel(plv, (int)plvdi->nmcd.nmcd.dwItemSpec, pitem, plvdi->nmcd.nmcd.hdc, TRUE);
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} else {
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// add g_cxLabelMargin * 6 because we use SHDT_EXTRAMARGIN
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// on iIndex != 0
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// and if you look inside shdrawtext, there are 6 cxlabelmargins added...
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cxLabel = ListView_OnGetStringWidth(plv, item.pszText, plvdi->nmcd.nmcd.hdc) + g_cxLabelMargin * 6;
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}
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if (rcLabel.right > rcLabel.left + cxLabel)
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{
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rcLabel.right = rcLabel.left + cxLabel;
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}
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}
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if ((iIndex != 0) || (plv->iEdit != (int)plvdi->nmcd.nmcd.dwItemSpec))
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{
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COLORREF clrText;
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HFONT hFontTemp = NULL;
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int cxEllipses;
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clrText = plvdi->nmcd.clrText;
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if ((clrText == GetSysColor(COLOR_HOTLIGHT)) ||
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((plv->exStyle & LVS_EX_UNDERLINEHOT) &&
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((plv->exStyle & LVS_EX_ONECLICKACTIVATE) ||
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((plvdi->plv->exStyle & LVS_EX_TWOCLICKACTIVATE) &&
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ListView_OnGetItemState(plvdi->plv, (int) plvdi->nmcd.nmcd.dwItemSpec, LVIS_SELECTED))))) {
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if (iIndex != 0 && !ListView_FullRowSelect(plv)) {
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hFontTemp = SelectFont(plvdi->nmcd.nmcd.hdc, plv->hfontLabel);
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if (hFontTemp != plv->hFontHot) {
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// they've overridden... leave it.
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SelectFont(plvdi->nmcd.nmcd.hdc, hFontTemp);
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hFontTemp = NULL;
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}
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clrText = plv->clrText;
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}
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}
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if ((textflags & SHDT_SELECTED) && (uSubItemFlags & LVDI_HOTSELECTED))
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textflags |= SHDT_HOTSELECTED;
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//TraceMsg(TF_LISTVIEW, "LISTVIEW: SHDrawText called. style = %lx, WS_DISABLED = %lx, plvdi->clrBk = %lx, plvdi->nmcd.clrTextBk = %lx", (DWORD)plv->ci.style, (DWORD)WS_DISABLED, plvdi->clrBk, plvdi->nmcd.clrTextBk);
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#ifdef WINDOWS_ME
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if( plv->dwExStyle & WS_EX_RTLREADING)
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{
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//
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// temp hack for the find.files to see if LtoR/RtoL mixing
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// works. if ok, we'll take this out and make that lv ownerdraw
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//
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if ((item.pszText[0] != '\xfd') && (item.pszText[lstrlen(item.pszText)-1] != '\xfd'))
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textflags |= SHDT_RTLREADING;
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}
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#endif
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//
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// If the app customized the font, we need to get the new
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// ellipsis size. We could try to optimize not doing this
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// if ellipses aren't needed, but tough. That's what you
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// get if you use customdraw.
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//
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if ((plvdi->dwCustom | dwCustom) & CDRF_NEWFONT)
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{
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SIZE siz;
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GetTextExtentPoint(plvdi->nmcd.nmcd.hdc, c_szEllipses, CCHELLIPSES, &siz);
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cxEllipses = siz.cx;
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}
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else
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cxEllipses = plv->cxEllipses;
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SHDrawText(plvdi->nmcd.nmcd.hdc, item.pszText, &rcLabel,
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hitem.fmt & HDF_JUSTIFYMASK, textflags,
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plv->cyLabelChar, cxEllipses,
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clrText, plvdi->nmcd.clrTextBk);
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// draw a focus rect on the first column of a focus item
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if ((uSubItemFlags & LVDI_FOCUS) && (item.state & LVIS_FOCUSED)
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#ifdef KEYBOARDCUES
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&& !(CCGetUIState(&(plvdi->plv->ci)) & UISF_HIDEFOCUS)
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#endif
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)
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{
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if (ListView_FullRowSelect(plv)) {
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fDrawFocusRect = TRUE;
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} else {
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DrawFocusRect(plvdi->nmcd.nmcd.hdc, &rcLabel);
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}
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}
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// If we didn't SHDrawText into the full label rectangle
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// (because the selection or focus rectangle seemed more
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// applicable), draw emptiness into the unused part so
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// garbage doesn't show through. Use SHDrawText so we
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// draw in exactly the same way that the rest of the code does.
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if (rcLabel.right < xLabelRight)
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{
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rcLabel.left = rcLabel.right;
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rcLabel.right = xLabelRight;
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SHDrawText(plvdi->nmcd.nmcd.hdc, c_szNULL, &rcLabel,
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LVCFMT_LEFT,
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textflags & SHDT_TRANSPARENT,
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plv->cyLabelChar, cxEllipses,
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clrText, plvdi->nmcd.clrTextBk);
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}
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// restore the font
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if (hFontTemp)
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SelectFont(plvdi->nmcd.nmcd.hdc, hFontTemp);
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}
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}
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if (dwCustom & CDRF_NOTIFYPOSTPAINT) {
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CICustomDrawNotify(&plvdi->plv->ci, CDDS_SUBITEM | CDDS_ITEMPOSTPAINT, &plvdi->nmcd.nmcd);
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}
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}
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if (fDrawFocusRect) {
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DrawFocusRect(plvdi->nmcd.nmcd.hdc, &rcT);
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}
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return TRUE;
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}
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#ifndef HDS_FULLDRAG
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#define HDS_FULLDRAG 0x0080
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#endif
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|
|
BOOL_PTR NEAR ListView_CreateHeader(LV* plv)
|
|
{
|
|
// enable drag drop always here... just fail the notify
|
|
// if the bit in listview isn't set
|
|
DWORD dwStyle = HDS_HORZ | WS_CHILD | HDS_DRAGDROP;
|
|
|
|
if (plv->ci.style & LVS_NOCOLUMNHEADER)
|
|
dwStyle |= HDS_HIDDEN;
|
|
if (!(plv->ci.style & LVS_NOSORTHEADER))
|
|
dwStyle |= HDS_BUTTONS;
|
|
|
|
dwStyle |= HDS_FULLDRAG;
|
|
|
|
plv->hwndHdr = CreateWindowEx(0L, c_szHeaderClass, // WC_HEADER,
|
|
NULL, dwStyle, 0, 0, 0, 0, plv->ci.hwnd, (HMENU)LVID_HEADER, GetWindowInstance(plv->ci.hwnd), NULL);
|
|
|
|
if (plv->hwndHdr) {
|
|
|
|
#ifdef POST_BETA
|
|
NMLVHEADERCREATED nmhc;
|
|
|
|
nmhc.hwndHdr = plv->hwndHdr;
|
|
// some apps blow up if a notify is sent before the control is fully created.
|
|
CCSendNotify(&plv->ci, LVN_HEADERCREATED, &nmhc.hdr);
|
|
plv->hwndHdr = nmhc.hwndHdr;
|
|
#endif
|
|
|
|
FORWARD_WM_SETFONT(plv->hwndHdr, plv->hfontLabel, FALSE, SendMessage);
|
|
if (plv->himlSmall)
|
|
SendMessage(plv->hwndHdr, HDM_SETIMAGELIST, 0, (LPARAM)plv->himlSmall);
|
|
}
|
|
return (BOOL_PTR)plv->hwndHdr;
|
|
}
|
|
|
|
#ifdef UNICODE
|
|
int NEAR ListView_OnInsertColumnA(LV* plv, int iCol, LV_COLUMNA * pcol) {
|
|
LPWSTR pszW = NULL;
|
|
LPSTR pszC = NULL;
|
|
int iRet;
|
|
|
|
//HACK ALERT -- this code assumes that LV_COLUMNA is exactly the same
|
|
// as LV_COLUMNW except for the pointer to the string.
|
|
ASSERT(sizeof(LV_COLUMNA) == sizeof(LV_COLUMNW));
|
|
|
|
if (!pcol)
|
|
return -1;
|
|
|
|
if ((pcol->mask & LVCF_TEXT) && (pcol->pszText != NULL)) {
|
|
pszC = pcol->pszText;
|
|
if ((pszW = ProduceWFromA(plv->ci.uiCodePage, pszC)) == NULL)
|
|
{
|
|
#ifdef UNICODE_WIN9x
|
|
// Hack for HP SytemSoft SystemWizard (ANSLIST.OCX), which they
|
|
// preinstall on their OEM machines. They pass an uninitialized
|
|
// variable, and in IE4, they got lucky and it was a valid
|
|
// pointer. IE5, they're not so lucky. In IE4, if you passed
|
|
// a bad pointer to LVM_INSERTCOLUMN, it faulted, so "fixing
|
|
// up" the pointer won't mess up anybody who was relying on the
|
|
// old behavior.
|
|
pcol->pszText = (LPSTR)c_szNULL;
|
|
#else
|
|
// NT's IE4 returned -1, so we keep doing it in IE5.
|
|
return -1;
|
|
#endif
|
|
} else {
|
|
pcol->pszText = (LPSTR)pszW;
|
|
}
|
|
}
|
|
|
|
iRet = ListView_OnInsertColumn(plv, iCol, (const LV_COLUMN FAR*) pcol);
|
|
|
|
if (pszW != NULL) {
|
|
pcol->pszText = pszC;
|
|
|
|
FreeProducedString(pszW);
|
|
}
|
|
|
|
return iRet;
|
|
}
|
|
#endif
|
|
|
|
int NEAR ListView_OnInsertColumn(LV* plv, int iCol, const LV_COLUMN FAR* pcol)
|
|
{
|
|
int idpa = -1;
|
|
HD_ITEM item;
|
|
|
|
ASSERT(LVCFMT_LEFT == HDF_LEFT);
|
|
ASSERT(LVCFMT_RIGHT == HDF_RIGHT);
|
|
ASSERT(LVCFMT_CENTER == HDF_CENTER);
|
|
|
|
if (iCol < 0 || !pcol)
|
|
return -1;
|
|
|
|
if (!plv->hwndHdr && !ListView_CreateHeader(plv))
|
|
return -1;
|
|
|
|
item.mask = (HDI_WIDTH | HDI_HEIGHT | HDI_FORMAT | HDI_LPARAM);
|
|
|
|
if (pcol->mask & LVCF_IMAGE) {
|
|
// do this only if this bit is set so that we don't fault on
|
|
// old binaries
|
|
item.iImage = pcol->iImage;
|
|
item.mask |= HDI_IMAGE;
|
|
}
|
|
|
|
if (pcol->mask & LVCF_TEXT) {
|
|
item.pszText = pcol->pszText;
|
|
item.mask |= HDI_TEXT;
|
|
}
|
|
|
|
if (pcol->mask & LVCF_ORDER) {
|
|
item.iOrder = pcol->iOrder;
|
|
item.mask |= HDI_ORDER;
|
|
}
|
|
|
|
|
|
item.cxy = pcol->mask & LVCF_WIDTH ? pcol->cx : 10; // some random default
|
|
item.fmt = ((pcol->mask & LVCF_FMT) && (iCol > 0)) ? pcol->fmt : LVCFMT_LEFT;
|
|
item.hbm = NULL;
|
|
|
|
item.lParam = pcol->mask & LVCF_SUBITEM ? pcol->iSubItem : 0;
|
|
|
|
// Column 0 refers to the item list. If we've already added a
|
|
// column, make sure there are plv->cCol - 1 subitem ptr slots
|
|
// in hdpaSubItems...
|
|
//
|
|
if (plv->cCol > 0)
|
|
{
|
|
if (!plv->hdpaSubItems)
|
|
{
|
|
plv->hdpaSubItems = DPA_CreateEx(8, plv->hheap);
|
|
if (!plv->hdpaSubItems)
|
|
return -1;
|
|
}
|
|
|
|
// WARNING: the max(0, iCol-1) was min in Win95, which was
|
|
// just wrong. hopefully(!) no one has relied on this brokeness
|
|
// if so, we may have to version switch it.
|
|
idpa = DPA_InsertPtr(plv->hdpaSubItems, max(0, iCol - 1), NULL);
|
|
if (idpa == -1)
|
|
return -1;
|
|
}
|
|
|
|
iCol = Header_InsertItem(plv->hwndHdr, iCol, &item);
|
|
if (iCol == -1)
|
|
{
|
|
if (plv->hdpaSubItems && (idpa != -1))
|
|
DPA_DeletePtr(plv->hdpaSubItems, idpa);
|
|
return -1;
|
|
}
|
|
plv->xTotalColumnWidth = RECOMPUTE;
|
|
plv->cCol++;
|
|
ListView_UpdateScrollBars(plv);
|
|
if (ListView_IsReportView(plv) && ListView_RedrawEnabled(plv)) {
|
|
RedrawWindow(plv->ci.hwnd, NULL, NULL, RDW_ERASE | RDW_INVALIDATE);
|
|
}
|
|
return iCol;
|
|
}
|
|
|
|
int NEAR ListView_FreeColumnData(LPVOID d, LPVOID p)
|
|
{
|
|
PLISTSUBITEM plsi = (PLISTSUBITEM)d;
|
|
ListView_FreeSubItem(plsi);
|
|
return 1;
|
|
}
|
|
|
|
|
|
BOOL NEAR ListView_OnDeleteColumn(LV* plv, int iCol)
|
|
{
|
|
if (iCol < 0 || iCol >= plv->cCol) // validate column index
|
|
{
|
|
RIPMSG(0, "LVM_DELETECOLUMN: Invalid column index: %d", iCol);
|
|
return FALSE;
|
|
}
|
|
|
|
if (plv->hdpaSubItems)
|
|
{
|
|
int iDeleteColumn = -1; // Default to "can't delete column".
|
|
|
|
if (0 < iCol) {
|
|
iDeleteColumn = iCol; // Deleting col 1+. Simple delete OK.
|
|
}
|
|
else if (5 <= plv->ci.iVersion) {
|
|
//
|
|
// Version 5 and later can delete column 0. Prior versions can't.
|
|
//
|
|
if (1 < plv->cCol && !ListView_IsOwnerData(plv)) {
|
|
// if deleting column 0,
|
|
// we have to do something a little special...
|
|
// set all item 0 strings to what column 1 has and
|
|
// delete column 1
|
|
int i;
|
|
int iCount = ListView_Count(plv);
|
|
for (i = 0; i < iCount; i++) {
|
|
|
|
LISTSUBITEM lsi;
|
|
LVITEM lvi;
|
|
ListView_GetSubItem(plv, i, 1, &lsi);
|
|
lvi.iSubItem = 0;
|
|
lvi.iItem = i;
|
|
lvi.mask = LVIF_TEXT | LVIF_IMAGE;
|
|
lvi.iImage = lsi.iImage;
|
|
lvi.pszText = lsi.pszText;
|
|
lvi.state = lsi.state;
|
|
lvi.stateMask = 0xffffffff;
|
|
ListView_OnSetItem(plv, &lvi);
|
|
}
|
|
iDeleteColumn = 1;
|
|
}
|
|
}
|
|
|
|
if (0 < iDeleteColumn) {
|
|
HDPA hdpa = (HDPA)DPA_DeletePtr(plv->hdpaSubItems, iDeleteColumn - 1);
|
|
DPA_DestroyCallback(hdpa, ListView_FreeColumnData, 0);
|
|
}
|
|
}
|
|
|
|
if (!Header_DeleteItem(plv->hwndHdr, iCol))
|
|
return FALSE;
|
|
|
|
plv->cCol--;
|
|
plv->xTotalColumnWidth = RECOMPUTE;
|
|
ListView_UpdateScrollBars(plv);
|
|
|
|
if (ListView_IsReportView(plv) && ListView_RedrawEnabled(plv)) {
|
|
RedrawWindow(plv->ci.hwnd, NULL, NULL, RDW_ERASE | RDW_INVALIDATE);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
int NEAR ListView_RGetColumnWidth(LV* plv, int iCol)
|
|
{
|
|
HD_ITEM item;
|
|
|
|
item.mask = HDI_WIDTH;
|
|
|
|
Header_GetItem(plv->hwndHdr, iCol, &item);
|
|
|
|
return item.cxy;
|
|
}
|
|
|
|
// The FakeCustomDraw functions are used when you want the customdraw client
|
|
// to set up a HDC so you can do stuff like GetTextExtent.
|
|
//
|
|
// Usage:
|
|
//
|
|
// LVFAKEDRAW lvfd;
|
|
// LV_ITEM item;
|
|
// ListView_BeginFakeCustomDraw(plv, &lvfd, &item);
|
|
// for each item you care about {
|
|
// item.iItem = iItem;
|
|
// item.iItem = iSubItem;
|
|
// item.lParam = <item lParam>; // use ListView_OnGetItem to get it
|
|
// ListView_BeginFakeItemDraw(&lvfd);
|
|
// <party on the HDC in lvfd.nmcd.nmcd.hdc>
|
|
// ListView_EndFakeItemDraw(&lvfd);
|
|
// }
|
|
// ListView_EndFakeCustomDraw(&lvfd);
|
|
//
|
|
|
|
void ListView_BeginFakeCustomDraw(LV* plv, PLVFAKEDRAW plvfd, LV_ITEM *pitem)
|
|
{
|
|
plvfd->nmcd.nmcd.hdc = GetDC(plv->ci.hwnd);
|
|
plvfd->nmcd.nmcd.uItemState = 0;
|
|
plvfd->nmcd.nmcd.dwItemSpec = 0;
|
|
plvfd->nmcd.nmcd.lItemlParam = 0;
|
|
plvfd->hfontPrev = SelectFont(plvfd->nmcd.nmcd.hdc, plv->hfontLabel);
|
|
|
|
//
|
|
// Since we aren't actually painting anything, we pass an empty
|
|
// paint rectangle. Gosh, I hope no app faults when it sees an
|
|
// empty paint rectangle.
|
|
//
|
|
SetRectEmpty(&plvfd->nmcd.nmcd.rc);
|
|
|
|
plvfd->plv = plv;
|
|
plvfd->dwCustomPrev = plv->ci.dwCustom;
|
|
plvfd->pitem = pitem;
|
|
|
|
plv->ci.dwCustom = CIFakeCustomDrawNotify(&plv->ci, CDDS_PREPAINT, &plvfd->nmcd.nmcd);
|
|
}
|
|
|
|
DWORD ListView_BeginFakeItemDraw(PLVFAKEDRAW plvfd)
|
|
{
|
|
LV *plv = plvfd->plv;
|
|
LV_ITEM *pitem;
|
|
|
|
// Early-out: If client doesn't use CustomDraw, then stop immediately.
|
|
if (!(plv->ci.dwCustom & CDRF_NOTIFYITEMDRAW))
|
|
return CDRF_DODEFAULT;
|
|
|
|
pitem = plvfd->pitem;
|
|
|
|
// Note that if the client says CDRF_SKIPDEFAULT (i.e., is owner-draw)
|
|
// we measure the item anyway, because that's what IE4 did.
|
|
|
|
// Make sure we do have the lParam. Office will fault if you give
|
|
// bogus lParams during customdraw callbacks.
|
|
plvfd->nmcd.nmcd.dwItemSpec = pitem->iItem;
|
|
if (ListView_IsOwnerData(plv))
|
|
{
|
|
// OwnerData always gets lItemlParam = 0
|
|
ASSERT(plvfd->nmcd.nmcd.lItemlParam == 0); // should still be 0
|
|
} else {
|
|
ASSERT(pitem->mask & LVIF_PARAM);
|
|
plvfd->nmcd.nmcd.lItemlParam = pitem->lParam;
|
|
}
|
|
|
|
if (!(plv->ci.dwCustom & CDRF_SKIPDEFAULT)) {
|
|
plvfd->nmcd.iSubItem = 0;
|
|
plvfd->dwCustomItem = CIFakeCustomDrawNotify(&plv->ci, CDDS_ITEMPREPAINT, &plvfd->nmcd.nmcd);
|
|
} else {
|
|
plvfd->dwCustomItem = CDRF_DODEFAULT;
|
|
}
|
|
|
|
//
|
|
// Only report view supports sub-items.
|
|
//
|
|
if (!ListView_IsReportView(plv))
|
|
plvfd->dwCustomItem &= ~CDRF_NOTIFYSUBITEMDRAW;
|
|
|
|
if (plvfd->dwCustomItem & CDRF_NOTIFYSUBITEMDRAW) {
|
|
plvfd->nmcd.iSubItem = pitem->iSubItem;
|
|
plvfd->dwCustomSubItem = CIFakeCustomDrawNotify(&plv->ci, CDDS_SUBITEM | CDDS_ITEMPREPAINT, &plvfd->nmcd.nmcd);
|
|
} else {
|
|
plvfd->dwCustomSubItem = CDRF_DODEFAULT;
|
|
}
|
|
|
|
return plvfd->dwCustomItem | plvfd->dwCustomSubItem;
|
|
}
|
|
|
|
void ListView_EndFakeItemDraw(PLVFAKEDRAW plvfd)
|
|
{
|
|
LV *plv = plvfd->plv;
|
|
|
|
// Early-out: If client doesn't use CustomDraw, then stop immediately.
|
|
if (!(plv->ci.dwCustom & CDRF_NOTIFYITEMDRAW))
|
|
return;
|
|
|
|
if (!(plvfd->dwCustomSubItem & CDRF_SKIPDEFAULT) &&
|
|
(plvfd->dwCustomSubItem & CDRF_NOTIFYPOSTPAINT)) {
|
|
ASSERT(plvfd->dwCustomItem & CDRF_NOTIFYSUBITEMDRAW);
|
|
ASSERT(plvfd->nmcd.iSubItem == plvfd->pitem->iSubItem);
|
|
CIFakeCustomDrawNotify(&plv->ci, CDDS_SUBITEM | CDDS_ITEMPOSTPAINT, &plvfd->nmcd.nmcd);
|
|
}
|
|
|
|
if ((plvfd->dwCustomItem | plvfd->dwCustomSubItem) & CDRF_NEWFONT) // App changed font, so
|
|
SelectFont(plvfd->nmcd.nmcd.hdc, plv->hfontLabel); // restore default font
|
|
|
|
if (!(plvfd->dwCustomItem & CDRF_SKIPDEFAULT) &&
|
|
(plvfd->dwCustomItem & CDRF_NOTIFYPOSTPAINT)) {
|
|
plvfd->nmcd.iSubItem = 0;
|
|
CIFakeCustomDrawNotify(&plv->ci, CDDS_ITEMPOSTPAINT, &plvfd->nmcd.nmcd);
|
|
}
|
|
}
|
|
|
|
void ListView_EndFakeCustomDraw(PLVFAKEDRAW plvfd)
|
|
{
|
|
LV *plv = plvfd->plv;
|
|
|
|
// notify parent afterwards if they want us to
|
|
if (!(plv->ci.dwCustom & CDRF_SKIPDEFAULT) &&
|
|
plv->ci.dwCustom & CDRF_NOTIFYPOSTPAINT) {
|
|
CIFakeCustomDrawNotify(&plv->ci, CDDS_POSTPAINT, &plvfd->nmcd.nmcd);
|
|
}
|
|
|
|
// Restore previous state
|
|
plv->ci.dwCustom = plvfd->dwCustomPrev;
|
|
|
|
SelectObject(plvfd->nmcd.nmcd.hdc, plvfd->hfontPrev);
|
|
ReleaseDC(plv->ci.hwnd, plvfd->nmcd.nmcd.hdc);
|
|
}
|
|
|
|
|
|
BOOL NEAR PASCAL hasVertScroll
|
|
(
|
|
LV* plv
|
|
)
|
|
{
|
|
RECT rcClient;
|
|
RECT rcBounds;
|
|
int cColVis;
|
|
BOOL fHorSB;
|
|
|
|
// Get the horizontal bounds of the items.
|
|
ListView_GetClientRect(plv, &rcClient, FALSE, NULL);
|
|
ListView_RGetRects(plv, 0, NULL, NULL, &rcBounds, NULL);
|
|
fHorSB = (rcBounds.right - rcBounds.left > rcClient.right);
|
|
cColVis = (rcClient.bottom - plv->yTop -
|
|
(fHorSB ? ListView_GetCyScrollbar(plv) : 0)) / plv->cyItem;
|
|
|
|
// check to see if we need a vert scrollbar
|
|
if ((int)cColVis < ListView_Count(plv))
|
|
return(TRUE);
|
|
else
|
|
return(FALSE);
|
|
}
|
|
|
|
BOOL NEAR ListView_RSetColumnWidth(LV* plv, int iCol, int cx)
|
|
{
|
|
HD_ITEM item;
|
|
HD_ITEM colitem;
|
|
|
|
SIZE siz;
|
|
|
|
LV_ITEM lviItem;
|
|
int i;
|
|
int ItemWidth = 0;
|
|
int HeaderWidth = 0;
|
|
TCHAR szLabel[CCHLABELMAX + 4]; // CCHLABLEMAX == MAX_PATH
|
|
int iBegin;
|
|
int iEnd;
|
|
|
|
// Should we compute the width based on the widest string?
|
|
// If we do, include the Width of the Label, and if this is the
|
|
// Last column, set the width so the right side is at the list view's right edge
|
|
if (cx <= LVSCW_AUTOSIZE)
|
|
{
|
|
LVFAKEDRAW lvfd; // in case client uses customdraw
|
|
|
|
if (cx == LVSCW_AUTOSIZE_USEHEADER)
|
|
{
|
|
// Special Cases:
|
|
// 1) There is only 1 column. Set the width to the width of the listview
|
|
// 2) This is the rightmost column, set the width so the right edge of the
|
|
// column coinsides with to right edge of the list view.
|
|
|
|
if (plv->cCol == 1)
|
|
{
|
|
RECT rcClient;
|
|
|
|
ListView_GetClientRect(plv, &rcClient, FALSE, NULL);
|
|
HeaderWidth = rcClient.right - rcClient.left;
|
|
}
|
|
else if (iCol == (plv->cCol-1))
|
|
{
|
|
// BUGBUG This will only work if the listview as NOT
|
|
// been previously horizontally scrolled
|
|
RECT rcClient;
|
|
RECT rcHeader;
|
|
|
|
ListView_GetClientRect(plv, &rcClient, FALSE, NULL);
|
|
if (!Header_GetItemRect(plv->hwndHdr, plv->cCol - 2, &rcHeader))
|
|
rcHeader.right = 0;
|
|
|
|
// Is if visible
|
|
if (rcHeader.right < (rcClient.right-rcClient.left))
|
|
{
|
|
HeaderWidth = (rcClient.right-rcClient.left) - rcHeader.right;
|
|
}
|
|
}
|
|
|
|
// If we have a header width, then is is one of these special ones, so
|
|
// we need to account for a vert scroll bar since we are using Client values
|
|
if (HeaderWidth && hasVertScroll(plv))
|
|
{
|
|
HeaderWidth -= g_cxVScroll;
|
|
}
|
|
|
|
// Get the Width of the label.
|
|
// We assume that the app hasn't changed any attributes
|
|
// of the header control - still has default font, margins, etc.
|
|
colitem.mask = HDI_TEXT | HDI_FORMAT;
|
|
colitem.pszText = szLabel;
|
|
colitem.cchTextMax = ARRAYSIZE(szLabel);
|
|
if (Header_GetItem(plv->hwndHdr, iCol, &colitem))
|
|
{
|
|
HDC hdc = GetDC(plv->ci.hwnd);
|
|
HFONT hfPrev = SelectFont(hdc, plv->hfontLabel);
|
|
|
|
GetTextExtentPoint(hdc, colitem.pszText,
|
|
lstrlen(colitem.pszText), &siz);
|
|
siz.cx += 2 * (3 * g_cxLabelMargin); // phd->iTextMargin
|
|
if (colitem.fmt & HDF_IMAGE)
|
|
{
|
|
siz.cx += plv->cxSmIcon;
|
|
siz.cx += 2 * (3 * g_cxLabelMargin); // pdh->iBmMargin
|
|
}
|
|
|
|
HeaderWidth = max(HeaderWidth, siz.cx);
|
|
|
|
SelectFont(hdc, hfPrev);
|
|
ReleaseDC(plv->ci.hwnd, hdc);
|
|
}
|
|
}
|
|
|
|
|
|
iBegin = 0;
|
|
iEnd = ListView_Count( plv );
|
|
|
|
//
|
|
// Loop for each item in the view
|
|
//
|
|
if (ListView_IsOwnerData( plv ))
|
|
{
|
|
iBegin = (int)((plv->ptlRptOrigin.y - plv->yTop)
|
|
/ plv->cyItem);
|
|
iEnd = (int)((plv->ptlRptOrigin.y + plv->sizeClient.cy - plv->yTop)
|
|
/ plv->cyItem) + 1;
|
|
|
|
iBegin = max( 0, iBegin );
|
|
iEnd = max(iEnd, iBegin + 1);
|
|
iEnd = min( iEnd, ListView_Count( plv ) );
|
|
|
|
ListView_NotifyCacheHint( plv, iBegin, iEnd-1 );
|
|
}
|
|
|
|
//
|
|
// To obtain the widths of the strings, we have to pretend that
|
|
// we are painting them, in case the custom-draw client wants
|
|
// to play with fonts (e.g., Athena).
|
|
//
|
|
ListView_BeginFakeCustomDraw(plv, &lvfd, &lviItem);
|
|
|
|
//
|
|
// If column 0, then we also need to take indent into account.
|
|
//
|
|
lviItem.mask = LVIF_TEXT | LVIF_IMAGE | LVIF_PARAM;
|
|
if (iCol == 0) {
|
|
lviItem.mask |= LVIF_INDENT;
|
|
}
|
|
|
|
// Loop for each item in the List
|
|
for (i = iBegin; i < iEnd; i++)
|
|
{
|
|
lviItem.iImage = -1;
|
|
lviItem.iItem = i;
|
|
lviItem.iSubItem = iCol;
|
|
lviItem.pszText = szLabel;
|
|
lviItem.cchTextMax = ARRAYSIZE(szLabel);
|
|
lviItem.iIndent = 0;
|
|
lviItem.stateMask = 0;
|
|
ListView_OnGetItem(plv, &lviItem);
|
|
|
|
// If there is a Text item, get its width
|
|
if (lviItem.pszText || (lviItem.iImage != -1))
|
|
{
|
|
if (lviItem.pszText) {
|
|
|
|
ListView_BeginFakeItemDraw(&lvfd);
|
|
|
|
GetTextExtentPoint(lvfd.nmcd.nmcd.hdc, lviItem.pszText,
|
|
lstrlen(lviItem.pszText), &siz);
|
|
|
|
ListView_EndFakeItemDraw(&lvfd);
|
|
|
|
} else {
|
|
siz.cx = 0;
|
|
}
|
|
|
|
if (lviItem.iImage != -1)
|
|
siz.cx += plv->cxSmIcon + g_cxEdge;
|
|
siz.cx += lviItem.iIndent * plv->cxSmIcon;
|
|
ItemWidth = max(ItemWidth, siz.cx);
|
|
}
|
|
}
|
|
|
|
ListView_EndFakeCustomDraw(&lvfd);
|
|
|
|
// Adjust by a reasonable border amount.
|
|
// If col 0, add 2*g_cxLabelMargin + g_szSmIcon.
|
|
// Otherwise add 6*g_cxLabelMargin.
|
|
// These amounts are based on Margins added automatically
|
|
// to the ListView in ShDrawText.
|
|
|
|
// BUGBUG ListView Report format currently assumes and makes
|
|
// room for a Small Icon.
|
|
if (iCol == 0)
|
|
{
|
|
ItemWidth += plv->cxState + g_cxEdge;
|
|
ItemWidth += 2*g_cxLabelMargin;
|
|
}
|
|
else
|
|
{
|
|
ItemWidth += 6*g_cxLabelMargin;
|
|
}
|
|
|
|
TraceMsg(TF_LISTVIEW, "ListView: HeaderWidth:%d ItemWidth:%d", HeaderWidth, ItemWidth);
|
|
item.cxy = max(HeaderWidth, ItemWidth);
|
|
}
|
|
else
|
|
{
|
|
// Use supplied width
|
|
item.cxy = cx;
|
|
}
|
|
plv->xTotalColumnWidth = RECOMPUTE;
|
|
|
|
item.mask = HDI_WIDTH;
|
|
return Header_SetItem(plv->hwndHdr, iCol, &item);
|
|
}
|
|
|
|
#ifdef UNICODE
|
|
BOOL NEAR ListView_OnGetColumnA(LV* plv, int iCol, LV_COLUMNA FAR* pcol) {
|
|
LPWSTR pszW = NULL;
|
|
LPSTR pszC = NULL;
|
|
BOOL fRet;
|
|
|
|
//HACK ALERT -- this code assumes that LV_COLUMNA is exactly the same
|
|
// as LV_COLUMNW except for the pointer to the string.
|
|
ASSERT(sizeof(LV_COLUMNA) == sizeof(LV_COLUMNW))
|
|
|
|
if (!pcol) return FALSE;
|
|
|
|
if ((pcol->mask & LVCF_TEXT) && (pcol->pszText != NULL)) {
|
|
pszC = pcol->pszText;
|
|
pszW = LocalAlloc(LMEM_FIXED, pcol->cchTextMax * sizeof(WCHAR));
|
|
if (pszW == NULL)
|
|
return FALSE;
|
|
pcol->pszText = (LPSTR)pszW;
|
|
}
|
|
|
|
fRet = ListView_OnGetColumn(plv, iCol, (LV_COLUMN FAR*) pcol);
|
|
|
|
if (pszW != NULL) {
|
|
if (fRet && pcol->cchTextMax)
|
|
ConvertWToAN(plv->ci.uiCodePage, pszC, pcol->cchTextMax, pszW, -1);
|
|
pcol->pszText = pszC;
|
|
|
|
LocalFree(pszW);
|
|
}
|
|
|
|
return fRet;
|
|
|
|
}
|
|
#endif
|
|
|
|
BOOL NEAR ListView_OnGetColumn(LV* plv, int iCol, LV_COLUMN FAR* pcol)
|
|
{
|
|
HD_ITEM item;
|
|
UINT mask;
|
|
|
|
if (!pcol) {
|
|
RIPMSG(0, "LVM_GETCOLUMN: Invalid pcol = NULL");
|
|
return FALSE;
|
|
}
|
|
|
|
mask = pcol->mask;
|
|
|
|
if (!mask)
|
|
return TRUE;
|
|
|
|
item.mask = HDI_FORMAT | HDI_WIDTH | HDI_LPARAM | HDI_ORDER | HDI_IMAGE;
|
|
|
|
if (mask & LVCF_TEXT)
|
|
{
|
|
if (pcol->pszText)
|
|
{
|
|
item.mask |= HDI_TEXT;
|
|
item.pszText = pcol->pszText;
|
|
item.cchTextMax = pcol->cchTextMax;
|
|
} else {
|
|
// For compatibility reasons, we don't fail the call if they
|
|
// pass NULL.
|
|
RIPMSG(0, "LVM_GETCOLUMN: Invalid pcol->pszText = NULL");
|
|
}
|
|
}
|
|
|
|
if (!Header_GetItem(plv->hwndHdr, iCol, &item))
|
|
{
|
|
RIPMSG(0, "LVM_GETCOLUMN: Invalid column number %d", iCol);
|
|
return FALSE;
|
|
}
|
|
|
|
if (mask & LVCF_SUBITEM)
|
|
pcol->iSubItem = (int)item.lParam;
|
|
|
|
if (mask & LVCF_ORDER)
|
|
pcol->iOrder = (int)item.iOrder;
|
|
|
|
if (mask & LVCF_IMAGE)
|
|
pcol->iImage = item.iImage;
|
|
|
|
if (mask & LVCF_FMT)
|
|
pcol->fmt = item.fmt;
|
|
|
|
if (mask & LVCF_WIDTH)
|
|
pcol->cx = item.cxy;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
#ifdef UNICODE
|
|
BOOL NEAR ListView_OnSetColumnA(LV* plv, int iCol, LV_COLUMNA FAR* pcol) {
|
|
LPWSTR pszW = NULL;
|
|
LPSTR pszC = NULL;
|
|
BOOL fRet;
|
|
|
|
//HACK ALERT -- this code assumes that LV_COLUMNA is exactly the same
|
|
// as LV_COLUMNW except for the pointer to the string.
|
|
ASSERT(sizeof(LV_COLUMNA) == sizeof(LV_COLUMNW));
|
|
|
|
if (!pcol) return FALSE;
|
|
|
|
if ((pcol->mask & LVCF_TEXT) && (pcol->pszText != NULL)) {
|
|
pszC = pcol->pszText;
|
|
if ((pszW = ProduceWFromA(plv->ci.uiCodePage, pszC)) == NULL)
|
|
return FALSE;
|
|
pcol->pszText = (LPSTR)pszW;
|
|
}
|
|
|
|
fRet = ListView_OnSetColumn(plv, iCol, (const LV_COLUMN FAR*) pcol);
|
|
|
|
if (pszW != NULL) {
|
|
pcol->pszText = pszC;
|
|
|
|
FreeProducedString(pszW);
|
|
}
|
|
|
|
return fRet;
|
|
|
|
}
|
|
#endif
|
|
|
|
BOOL NEAR ListView_OnSetColumn(LV* plv, int iCol, const LV_COLUMN FAR* pcol)
|
|
{
|
|
HD_ITEM item;
|
|
UINT mask;
|
|
|
|
if (!pcol) return FALSE;
|
|
|
|
mask = pcol->mask;
|
|
if (!mask)
|
|
return TRUE;
|
|
|
|
item.mask = 0;
|
|
if (mask & LVCF_SUBITEM)
|
|
{
|
|
item.mask |= HDI_LPARAM;
|
|
item.lParam = iCol;
|
|
}
|
|
|
|
if (mask & LVCF_FMT)
|
|
{
|
|
item.mask |= HDI_FORMAT;
|
|
item.fmt = (pcol->fmt | HDF_STRING);
|
|
}
|
|
|
|
if (mask & LVCF_WIDTH)
|
|
{
|
|
item.mask |= HDI_WIDTH;
|
|
item.cxy = pcol->cx;
|
|
}
|
|
|
|
if (mask & LVCF_TEXT)
|
|
{
|
|
RIPMSG(pcol->pszText != NULL, "LVM_SETCOLUMN: LV_COLUMN.pszText should not be NULL");
|
|
|
|
item.mask |= HDI_TEXT;
|
|
item.pszText = pcol->pszText;
|
|
item.cchTextMax = 0;
|
|
}
|
|
|
|
if (mask & LVCF_IMAGE)
|
|
{
|
|
item.mask |= HDI_IMAGE;
|
|
item.iImage = pcol->iImage;
|
|
}
|
|
|
|
if (mask & LVCF_ORDER)
|
|
{
|
|
item.mask |= HDI_ORDER;
|
|
item.iOrder = pcol->iOrder;
|
|
}
|
|
|
|
|
|
plv->xTotalColumnWidth = RECOMPUTE;
|
|
return Header_SetItem(plv->hwndHdr, iCol, &item);
|
|
}
|
|
|
|
BOOL NEAR ListView_SetSubItem(LV* plv, const LV_ITEM FAR* plvi)
|
|
{
|
|
LISTSUBITEM lsi;
|
|
BOOL fChanged = FALSE;
|
|
int i;
|
|
int idpa;
|
|
HDPA hdpa;
|
|
|
|
if (plvi->mask & ~(LVIF_DI_SETITEM | LVIF_TEXT | LVIF_IMAGE | LVIF_STATE))
|
|
{
|
|
RIPMSG(0, "ListView: Invalid mask: %04x", plvi->mask);
|
|
return FALSE;
|
|
}
|
|
|
|
if (!(plvi->mask & (LVIF_TEXT | LVIF_IMAGE | LVIF_STATE)))
|
|
return TRUE;
|
|
|
|
i = plvi->iItem;
|
|
if (!ListView_IsValidItemNumber(plv, i))
|
|
{
|
|
RIPMSG(0, "LVM_SETITEM: Invalid iItem: %d", plvi->iItem);
|
|
return FALSE;
|
|
}
|
|
|
|
// sub item indices are 1-based...
|
|
//
|
|
idpa = plvi->iSubItem - 1;
|
|
if (idpa < 0 || idpa >= plv->cCol - 1)
|
|
{
|
|
RIPMSG(0, "LVM_SETITEM: Invalid iSubItem: %d", plvi->iSubItem);
|
|
return FALSE;
|
|
}
|
|
|
|
hdpa = ListView_GetSubItemDPA(plv, idpa);
|
|
if (!hdpa)
|
|
{
|
|
hdpa = DPA_CreateEx(LV_HDPA_GROW, plv->hheap);
|
|
if (!hdpa)
|
|
return FALSE;
|
|
|
|
DPA_SetPtr(plv->hdpaSubItems, idpa, (void FAR*)hdpa);
|
|
}
|
|
|
|
ListView_GetSubItem(plv, i, plvi->iSubItem, &lsi);
|
|
|
|
if (plvi->mask & LVIF_TEXT) {
|
|
if (lsi.pszText != plvi->pszText) {
|
|
Str_Set(&lsi.pszText, plvi->pszText);
|
|
fChanged = TRUE;
|
|
}
|
|
}
|
|
|
|
if (plvi->mask & LVIF_IMAGE) {
|
|
if (plvi->iImage != lsi.iImage) {
|
|
lsi.iImage = (short) plvi->iImage;
|
|
fChanged = TRUE;
|
|
}
|
|
}
|
|
|
|
if (plvi->mask & LVIF_STATE) {
|
|
DWORD dwChange;
|
|
|
|
dwChange = (lsi.state ^ plvi->state ) & plvi->stateMask;
|
|
|
|
if (dwChange) {
|
|
lsi.state ^= dwChange;
|
|
fChanged = TRUE;
|
|
}
|
|
}
|
|
|
|
if (fChanged) {
|
|
PLISTSUBITEM plsiReal = DPA_GetPtr(hdpa, i);
|
|
if (!plsiReal) {
|
|
plsiReal = LocalAlloc(LPTR, sizeof(LISTSUBITEM));
|
|
if (!plsiReal) {
|
|
// fail! bail out
|
|
return FALSE;
|
|
}
|
|
}
|
|
*plsiReal = lsi;
|
|
if (!DPA_SetPtr(hdpa, i, (void FAR*)plsiReal)) {
|
|
|
|
ListView_FreeSubItem(plsiReal);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
// all's well... let's invalidate this
|
|
if (ListView_IsReportView(plv)) {
|
|
RECT rc;
|
|
ListView_RGetRectsEx(plv, plvi->iItem, plvi->iSubItem, NULL, &rc);
|
|
RedrawWindow(plv->ci.hwnd, &rc, NULL, RDW_ERASE | RDW_INVALIDATE);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
int ListView_RDestroyColumn(LPVOID d, LPVOID p)
|
|
{
|
|
HDPA hdpa = (HDPA)d;
|
|
DPA_DestroyCallback(hdpa, ListView_FreeColumnData, 0);
|
|
return 1;
|
|
}
|
|
|
|
void NEAR ListView_RDestroy(LV* plv)
|
|
{
|
|
DPA_DestroyCallback(plv->hdpaSubItems, ListView_RDestroyColumn, 0);
|
|
plv->hdpaSubItems = NULL;
|
|
}
|
|
|
|
VOID NEAR ListView_RHeaderTrack(LV* plv, HD_NOTIFY FAR * pnm)
|
|
{
|
|
// We want to update to show where the column header will be.
|
|
HDC hdc;
|
|
RECT rcBounds;
|
|
|
|
// Statics needed from call to call
|
|
static int s_xLast = -32767;
|
|
|
|
hdc = GetDC(plv->ci.hwnd);
|
|
if (hdc == NULL)
|
|
return;
|
|
|
|
//
|
|
// First undraw the last marker we drew.
|
|
//
|
|
if (s_xLast > 0)
|
|
{
|
|
PatBlt(hdc, s_xLast, plv->yTop, g_cxBorder, plv->sizeClient.cy - plv->yTop, PATINVERT);
|
|
}
|
|
|
|
if (pnm->hdr.code == HDN_ENDTRACK)
|
|
{
|
|
s_xLast = -32767; // Some large negative number...
|
|
}
|
|
else
|
|
{
|
|
|
|
RECT rc;
|
|
|
|
//
|
|
// First we need to calculate the X location of the column
|
|
// To do this, we will need to know where this column begins
|
|
// Note: We need the bounding rects to help us know the origin.
|
|
ListView_GetRects(plv, 0, NULL, NULL, &rcBounds, NULL);
|
|
|
|
if (!Header_GetItemRect(plv->hwndHdr, pnm->iItem, &rc)) {
|
|
rc.left = 0;
|
|
}
|
|
rcBounds.left += rc.left;
|
|
|
|
// Draw the new line...
|
|
s_xLast = rcBounds.left + pnm->pitem->cxy;
|
|
PatBlt(hdc, s_xLast, plv->yTop, g_cxBorder, plv->sizeClient.cy - plv->yTop, PATINVERT);
|
|
}
|
|
|
|
ReleaseDC(plv->ci.hwnd, hdc);
|
|
}
|
|
|
|
// try to use scrollwindow to adjust the columns rather than erasing
|
|
// and redrawing.
|
|
void NEAR PASCAL ListView_AdjustColumn(LV * plv, int iWidth)
|
|
{
|
|
int x;
|
|
RECT rcClip;
|
|
int dx = iWidth - plv->iSelOldWidth;
|
|
|
|
if (iWidth == plv->iSelOldWidth)
|
|
return;
|
|
|
|
// find the x coord of the left side of the iCol
|
|
// use rcClip as a temporary...
|
|
if (!Header_GetItemRect(plv->hwndHdr, plv->iSelCol, &rcClip)) {
|
|
x = 0;
|
|
} else {
|
|
x = rcClip.left;
|
|
}
|
|
x -= plv->ptlRptOrigin.x;
|
|
|
|
// compute the area to the right of the adjusted column
|
|
GetWindowRect(plv->hwndHdr, &rcClip);
|
|
|
|
rcClip.left = x;
|
|
rcClip.top = RECTHEIGHT(rcClip);
|
|
rcClip.right = plv->sizeClient.cx;
|
|
rcClip.bottom = plv->sizeClient.cy;
|
|
|
|
if ((plv->pImgCtx == NULL) && (plv->clrBk != CLR_NONE) &&
|
|
(plv->clrTextBk != CLR_NONE))
|
|
{
|
|
//
|
|
// We have a solid color background,
|
|
// so we can smooth scroll the right side columns.
|
|
//
|
|
#ifndef UNIX
|
|
SMOOTHSCROLLINFO si =
|
|
{
|
|
sizeof(si),
|
|
0,
|
|
plv->ci.hwnd,
|
|
dx,
|
|
0,
|
|
NULL,
|
|
&rcClip,
|
|
NULL,
|
|
NULL,
|
|
SW_ERASE | SW_INVALIDATE,
|
|
};
|
|
#else
|
|
SMOOTHSCROLLINFO si;
|
|
si.cbSize = sizeof(si);
|
|
si.fMask = 0;
|
|
si.hwnd = plv->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
|
|
|
|
rcClip.left += min(plv->iSelOldWidth, iWidth);
|
|
SmoothScrollWindow(&si);
|
|
|
|
// if we shrunk, invalidate the right most edge because
|
|
// there might be junk there
|
|
if (iWidth < plv->iSelOldWidth) {
|
|
rcClip.right = rcClip.left + g_cxEdge;
|
|
InvalidateRect(plv->ci.hwnd, &rcClip, TRUE);
|
|
}
|
|
|
|
plv->xTotalColumnWidth = RECOMPUTE;
|
|
|
|
// adjust clipping rect to only redraw the adjusted column
|
|
rcClip.left = x;
|
|
rcClip.right = max(rcClip.left, x+iWidth);
|
|
|
|
// Make the rectangle origin-based because ListView_UpdateScrollBars
|
|
// may scroll us around.
|
|
OffsetRect(&rcClip, plv->ptlRptOrigin.x, plv->ptlRptOrigin.y);
|
|
|
|
ListView_UpdateScrollBars(plv);
|
|
|
|
// Okay, now convert it back to client coordinates
|
|
OffsetRect(&rcClip, -plv->ptlRptOrigin.x, -plv->ptlRptOrigin.y);
|
|
|
|
// call update because scrollwindowex might have erased the far right
|
|
// we don't want this invalidate to then enlarge the region
|
|
// and end up erasing everything.
|
|
UpdateWindow(plv->ci.hwnd);
|
|
|
|
RedrawWindow(plv->ci.hwnd, &rcClip, NULL,
|
|
RDW_INVALIDATE | RDW_UPDATENOW);
|
|
}
|
|
else
|
|
{
|
|
//
|
|
// We don't have a solid color background,
|
|
// erase and redraw the adjusted column and
|
|
// everything to the right (sigh).
|
|
//
|
|
plv->xTotalColumnWidth = RECOMPUTE;
|
|
ListView_UpdateScrollBars(plv);
|
|
|
|
rcClip.left = x;
|
|
RedrawWindow(plv->ci.hwnd, &rcClip, NULL,
|
|
RDW_INVALIDATE | RDW_UPDATENOW | RDW_ERASE);
|
|
}
|
|
}
|
|
|
|
BOOL ListView_ForwardHeaderNotify(LV* plv, HD_NOTIFY FAR *pnm)
|
|
{
|
|
return BOOLFROMPTR(SendNotifyEx(plv->ci.hwndParent, pnm->hdr.hwndFrom, pnm->hdr.code,
|
|
(NMHDR FAR *)pnm, plv->ci.bUnicode));
|
|
}
|
|
|
|
LRESULT ListView_HeaderNotify(LV* plv, HD_NOTIFY *pnm)
|
|
{
|
|
LRESULT lres = 0;
|
|
switch (pnm->hdr.code)
|
|
{
|
|
case HDN_BEGINDRAG:
|
|
if (!(plv->exStyle & LVS_EX_HEADERDRAGDROP))
|
|
return TRUE;
|
|
|
|
return ListView_ForwardHeaderNotify(plv, pnm);
|
|
|
|
case HDN_ENDDRAG:
|
|
if (pnm->pitem->iOrder != -1) {
|
|
InvalidateRect(plv->ci.hwnd, NULL, TRUE);
|
|
return ListView_ForwardHeaderNotify(plv, pnm);
|
|
}
|
|
goto DoDefault;
|
|
|
|
case HDN_ITEMCHANGING:
|
|
if (pnm->pitem->mask & HDI_WIDTH) {
|
|
HD_ITEM hitem;
|
|
|
|
hitem.mask = HDI_WIDTH;
|
|
Header_GetItem(plv->hwndHdr, pnm->iItem, &hitem);
|
|
plv->iSelCol = pnm->iItem;
|
|
plv->iSelOldWidth = hitem.cxy;
|
|
TraceMsg(TF_LISTVIEW, "HDN_ITEMCHANGING %d %d", hitem.cxy, pnm->pitem->cxy);
|
|
return ListView_ForwardHeaderNotify(plv, pnm);
|
|
}
|
|
else if (pnm->pitem->mask & HDI_FILTER) {
|
|
return ListView_ForwardHeaderNotify(plv, pnm);
|
|
}
|
|
goto DoDefault;
|
|
|
|
case HDN_ITEMCHANGED:
|
|
if (pnm->pitem->mask & HDI_WIDTH)
|
|
{
|
|
ListView_DismissEdit(plv, FALSE);
|
|
if (pnm->iItem == plv->iSelCol) {
|
|
// Must do this even if there are no items, since
|
|
// we have to redo the scrollbar, and the client
|
|
// may have custom-drawn gridlines or something.
|
|
ListView_AdjustColumn(plv, pnm->pitem->cxy);
|
|
} else {
|
|
// sanity check. we got confused, so redraw all
|
|
RedrawWindow(plv->ci.hwnd, NULL, NULL,
|
|
RDW_ERASE | RDW_INVALIDATE);
|
|
}
|
|
plv->iSelCol = -1;
|
|
lres = ListView_ForwardHeaderNotify(plv, pnm);
|
|
}
|
|
else if (pnm->pitem->mask & HDI_FILTER) {
|
|
lres = ListView_ForwardHeaderNotify(plv, pnm);
|
|
} else
|
|
goto DoDefault;
|
|
break;
|
|
|
|
|
|
case HDN_ITEMCLICK:
|
|
//
|
|
// BUGBUG:: Need to pass this and other HDN_ notifications back to
|
|
// parent. Should we simply pass up the HDN notifications
|
|
// or should we define equivlent LVN_ notifications...
|
|
//
|
|
// Pass column number in iSubItem, not iItem...
|
|
//
|
|
ListView_DismissEdit(plv, FALSE);
|
|
ListView_Notify(plv, -1, pnm->iItem, LVN_COLUMNCLICK);
|
|
lres = ListView_ForwardHeaderNotify(plv, pnm);
|
|
SetFocus(plv->ci.hwnd);
|
|
break;
|
|
|
|
case HDN_TRACK:
|
|
case HDN_ENDTRACK:
|
|
ListView_DismissEdit(plv, FALSE);
|
|
ListView_RHeaderTrack(plv, pnm);
|
|
lres = ListView_ForwardHeaderNotify(plv, pnm);
|
|
SetFocus(plv->ci.hwnd);
|
|
break;
|
|
|
|
case HDN_DIVIDERDBLCLICK:
|
|
ListView_DismissEdit(plv, FALSE);
|
|
ListView_RSetColumnWidth(plv, pnm->iItem, -1);
|
|
lres = ListView_ForwardHeaderNotify(plv, pnm);
|
|
SetFocus(plv->ci.hwnd);
|
|
break;
|
|
|
|
case HDN_FILTERCHANGE:
|
|
case HDN_FILTERBTNCLICK:
|
|
return ListView_ForwardHeaderNotify(plv, pnm);
|
|
|
|
case NM_RCLICK:
|
|
return (UINT)SendNotifyEx(plv->ci.hwndParent, plv->hwndHdr, NM_RCLICK, NULL, plv->ci.bUnicode);
|
|
|
|
default:
|
|
DoDefault:
|
|
if (plv->ci.iVersion >= 5)
|
|
return ListView_ForwardHeaderNotify(plv, pnm);
|
|
break;
|
|
}
|
|
|
|
// in v < 5 we always returned 0
|
|
// but for newer clients we'd like to have them deal with the notify
|
|
if (plv->ci.iVersion >= 5)
|
|
return lres;
|
|
return 0;
|
|
}
|
|
|
|
/*----------------------------------------------------------------
|
|
** Check for a hit in a report view.
|
|
**
|
|
** a hit only counts if it's on the icon or the string in the first
|
|
** column. so we gotta figure out what this means exactly. yuck.
|
|
**
|
|
** BONUS FEATURE: If piSubItem is non-NULL, then we also hit-test
|
|
** against subitems. But if we find nothing, we return iSubItem = 0
|
|
** for compatibility with the other hit-test functions.
|
|
**----------------------------------------------------------------*/
|
|
int NEAR ListView_RItemHitTest(LV* plv, int x, int y, UINT FAR* pflags, int *piSubItem)
|
|
{
|
|
int iHit;
|
|
int i, iSub;
|
|
UINT flags;
|
|
RECT rcLabel;
|
|
RECT rcIcon;
|
|
|
|
if (piSubItem)
|
|
*piSubItem = 0;
|
|
|
|
flags = LVHT_NOWHERE;
|
|
iHit = -1;
|
|
|
|
i = ListView_RYHitTest(plv, y);
|
|
if (ListView_IsValidItemNumber(plv, i))
|
|
{
|
|
if (plv->ci.style & LVS_OWNERDRAWFIXED) {
|
|
flags = LVHT_ONITEM;
|
|
iHit = i;
|
|
} else {
|
|
RECT rcSelect;
|
|
ListView_GetRects(plv, i, &rcIcon, &rcLabel, NULL, &rcSelect);
|
|
|
|
// is the hit in the first column?
|
|
if ((x < rcIcon.left - g_cxEdge) && x > (rcIcon.left - plv->cxState))
|
|
{
|
|
iHit = i;
|
|
flags = LVHT_ONITEMSTATEICON;
|
|
}
|
|
else if ((x >= rcIcon.left) && (x < rcIcon.right))
|
|
{
|
|
iHit = i;
|
|
flags = LVHT_ONITEMICON;
|
|
}
|
|
else if (x >= rcLabel.left && (x < rcSelect.right))
|
|
{
|
|
iHit = i;
|
|
flags = LVHT_ONITEMLABEL;
|
|
|
|
if (ListView_FullRowSelect(plv)) {
|
|
// this is kinda funky... in full row select mode
|
|
// we're only really on the label if x is <= rcLabel.left + cxLabel
|
|
// because GetRects returns a label rect of the full column width
|
|
// and rcSelect has the full row in FullRowSelect mode
|
|
// (it has the label only width in non-fullrow select mode.
|
|
//
|
|
// go figure..
|
|
//
|
|
int cxLabel;
|
|
LISTITEM FAR* pitem = NULL;
|
|
|
|
if (!ListView_IsOwnerData( plv ))
|
|
{
|
|
pitem = ListView_FastGetItemPtr(plv, i);
|
|
}
|
|
cxLabel = ListView_RGetCXLabel(plv, i, pitem, NULL, FALSE);
|
|
|
|
if (x >= min(rcLabel.left + cxLabel, rcLabel.right)) {
|
|
if (!piSubItem)
|
|
flags = LVHT_ONITEM;
|
|
else
|
|
goto CheckSubItem;
|
|
}
|
|
}
|
|
} else if (x < rcSelect.right && ListView_FullRowSelect(plv)) {
|
|
// we can fall into this case if columns have been re-ordered
|
|
iHit = i;
|
|
flags = LVHT_ONITEM;
|
|
} else if (piSubItem) {
|
|
CheckSubItem:
|
|
iSub = ListView_RXHitTest(plv, x);
|
|
if (iSub >= 0) {
|
|
iHit = i;
|
|
*piSubItem = iSub;
|
|
// Flags still say LVHT_NOWHERE
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
*pflags = flags;
|
|
return iHit;
|
|
}
|
|
|
|
void ListView_GetSubItem(LV* plv, int i, int iSubItem, PLISTSUBITEM plsi)
|
|
{
|
|
HDPA hdpa;
|
|
PLISTSUBITEM plsiSrc = NULL;
|
|
|
|
ASSERT( !ListView_IsOwnerData( plv ));
|
|
|
|
// Sub items are indexed starting at 1...
|
|
//
|
|
RIPMSG(iSubItem > 0 && iSubItem < plv->cCol, "ListView: Invalid iSubItem: %d", iSubItem);
|
|
|
|
#ifdef DEBUG
|
|
// Avoid the assert in DPA_GetPtr if somebdy tries to get a subitem
|
|
// when no columns have been added. We already RIP'd above.
|
|
hdpa = plv->cCol ? ListView_GetSubItemDPA(plv, iSubItem - 1) : NULL;
|
|
#else
|
|
hdpa = ListView_GetSubItemDPA(plv, iSubItem - 1);
|
|
#endif
|
|
if (hdpa) {
|
|
plsiSrc = DPA_GetPtr(hdpa, i);
|
|
}
|
|
|
|
|
|
if (plsiSrc) {
|
|
*plsi = *plsiSrc;
|
|
} else {
|
|
|
|
// item data exists.. give defaults
|
|
plsi->pszText = LPSTR_TEXTCALLBACK;
|
|
plsi->iImage = I_IMAGECALLBACK;
|
|
plsi->state = 0;
|
|
}
|
|
}
|
|
|
|
LPTSTR NEAR ListView_RGetItemText(LV* plv, int i, int iSubItem)
|
|
{
|
|
LISTSUBITEM lsi;
|
|
|
|
ListView_GetSubItem(plv, i, iSubItem, &lsi);
|
|
return lsi.pszText;
|
|
}
|
|
|
|
// this will return the rect of a subitem as requested.
|
|
void ListView_RGetRectsEx(LV* plv, int iItem, int iSubItem, LPRECT prcIcon, LPRECT prcLabel)
|
|
{
|
|
int x;
|
|
int y;
|
|
LONG ly;
|
|
RECT rcLabel;
|
|
RECT rcIcon;
|
|
RECT rcHeader;
|
|
|
|
if (iSubItem == 0) {
|
|
ListView_RGetRects(plv, iItem, prcIcon, prcLabel, NULL, NULL);
|
|
return;
|
|
}
|
|
|
|
// otherwise it's just the header's column right and left and the item's height
|
|
ly = (LONG)iItem * plv->cyItem - plv->ptlRptOrigin.y + plv->yTop;
|
|
x = - (int)plv->ptlRptOrigin.x;
|
|
|
|
//
|
|
// Need to check for y overflow into rectangle structure
|
|
// if so we need to return something reasonable...
|
|
// For now will simply set it to the max or min that will fit...
|
|
//
|
|
if (ly >= (INT_MAX - plv->cyItem))
|
|
y = INT_MAX - plv->cyItem;
|
|
else if ( ly < INT_MIN)
|
|
y = INT_MIN;
|
|
else
|
|
y = (int)ly;
|
|
|
|
ASSERT(iSubItem < plv->cCol);
|
|
Header_GetItemRect(plv->hwndHdr, iSubItem, &rcHeader);
|
|
|
|
rcLabel.left = x + rcHeader.left;
|
|
rcLabel.right = x + rcHeader.right;
|
|
rcLabel.top = y;
|
|
rcLabel.bottom = rcLabel.top + plv->cyItem;
|
|
|
|
rcIcon = rcLabel;
|
|
rcIcon.right = rcIcon.left + plv->cxSmIcon;
|
|
|
|
if (SELECTOROF(prcIcon))
|
|
*prcIcon = rcIcon;
|
|
if (SELECTOROF(prcLabel))
|
|
*prcLabel = rcLabel;
|
|
}
|
|
|
|
int ListView_RGetTotalColumnWidth(LV* plv)
|
|
{
|
|
if (plv->xTotalColumnWidth == RECOMPUTE)
|
|
{
|
|
plv->xTotalColumnWidth = 0;
|
|
if (plv->cCol) {
|
|
RECT rcLabel;
|
|
int iIndex;
|
|
|
|
// find the right edge of the last ordered item to get the total column width
|
|
iIndex = (int) SendMessage(plv->hwndHdr, HDM_ORDERTOINDEX, plv->cCol - 1, 0);
|
|
Header_GetItemRect(plv->hwndHdr, iIndex, &rcLabel);
|
|
plv->xTotalColumnWidth = rcLabel.right;
|
|
}
|
|
}
|
|
return plv->xTotalColumnWidth;
|
|
}
|
|
|
|
// get the rects for report view
|
|
void NEAR ListView_RGetRects(LV* plv, int iItem, RECT FAR* prcIcon,
|
|
RECT FAR* prcLabel, RECT FAR* prcBounds, RECT FAR* prcSelectBounds)
|
|
{
|
|
RECT rcIcon;
|
|
RECT rcLabel;
|
|
int x;
|
|
int y;
|
|
LONG ly;
|
|
LVITEM lvitem;
|
|
BOOL fItemSpecific = (prcIcon || prcLabel || prcSelectBounds);
|
|
|
|
// use long math for cases where we have lots-o-items
|
|
|
|
ly = (LONG)iItem * plv->cyItem - plv->ptlRptOrigin.y + plv->yTop;
|
|
x = - (int)plv->ptlRptOrigin.x;
|
|
|
|
//
|
|
// Need to check for y overflow into rectangle structure
|
|
// if so we need to return something reasonable...
|
|
// For now will simply set it to the max or min that will fit...
|
|
//
|
|
if (ly >= (INT_MAX - plv->cyItem))
|
|
y = INT_MAX - plv->cyItem;
|
|
else
|
|
y = (int)ly;
|
|
|
|
|
|
if (ListView_Count(plv) && fItemSpecific) {
|
|
// move this over by the indent level as well
|
|
lvitem.mask = LVIF_INDENT;
|
|
lvitem.iItem = iItem;
|
|
lvitem.iSubItem = 0;
|
|
ListView_OnGetItem(plv, &lvitem);
|
|
} else {
|
|
lvitem.iIndent = 0;
|
|
}
|
|
|
|
rcIcon.left = x + plv->cxState + (lvitem.iIndent * plv->cxSmIcon) + g_cxEdge;
|
|
rcIcon.right = rcIcon.left + plv->cxSmIcon;
|
|
rcIcon.top = y;
|
|
rcIcon.bottom = rcIcon.top + plv->cyItem;
|
|
|
|
rcLabel.left = rcIcon.right;
|
|
rcLabel.top = rcIcon.top;
|
|
rcLabel.bottom = rcIcon.bottom;
|
|
|
|
//
|
|
// The label is assumed to be the first column.
|
|
//
|
|
rcLabel.right = x;
|
|
if (plv->cCol > 0 && fItemSpecific)
|
|
{
|
|
RECT rc;
|
|
Header_GetItemRect(plv->hwndHdr, 0, &rc);
|
|
rcLabel.right = x + rc.right;
|
|
rcLabel.left += rc.left;
|
|
rcIcon.left += rc.left;
|
|
rcIcon.right += rc.left;
|
|
}
|
|
|
|
if (SELECTOROF(prcIcon))
|
|
*prcIcon = rcIcon;
|
|
|
|
// Save away the label bounds.
|
|
if (SELECTOROF(prcLabel)) {
|
|
*prcLabel = rcLabel;
|
|
}
|
|
|
|
// See if they also want the Selection bounds of the item
|
|
if (prcSelectBounds)
|
|
{
|
|
if (ListView_FullRowSelect(plv)) {
|
|
|
|
prcSelectBounds->left = x;
|
|
prcSelectBounds->top = y;
|
|
prcSelectBounds->bottom = rcLabel.bottom;
|
|
prcSelectBounds->right = prcSelectBounds->left + ListView_RGetTotalColumnWidth(plv);
|
|
|
|
} else {
|
|
int cxLabel;
|
|
LISTITEM FAR* pitem = NULL;
|
|
|
|
if (!ListView_IsOwnerData( plv ))
|
|
{
|
|
pitem = ListView_FastGetItemPtr(plv, iItem);
|
|
}
|
|
cxLabel = ListView_RGetCXLabel(plv, iItem, pitem, NULL, FALSE);
|
|
|
|
*prcSelectBounds = rcIcon;
|
|
prcSelectBounds->right = rcLabel.left + cxLabel;
|
|
if (prcSelectBounds->right > rcLabel.right)
|
|
prcSelectBounds->right = rcLabel.right;
|
|
}
|
|
}
|
|
|
|
// And also the Total bounds
|
|
|
|
//
|
|
// and now for the complete bounds...
|
|
//
|
|
if (SELECTOROF(prcBounds))
|
|
{
|
|
prcBounds->left = x;
|
|
prcBounds->top = y;
|
|
prcBounds->bottom = rcLabel.bottom;
|
|
|
|
prcBounds->right = prcBounds->left + ListView_RGetTotalColumnWidth(plv);
|
|
}
|
|
}
|
|
|
|
BOOL ListView_OnGetSubItemRect(LV* plv, int iItem, LPRECT lprc)
|
|
{
|
|
LPRECT pRects[LVIR_MAX];
|
|
RECT rcTemp;
|
|
|
|
int iSubItem;
|
|
int iCode;
|
|
|
|
if (!lprc)
|
|
return FALSE;
|
|
|
|
iSubItem = lprc->top;
|
|
iCode = lprc->left;
|
|
|
|
if (iSubItem == 0) {
|
|
return ListView_OnGetItemRect(plv, iItem, lprc);
|
|
}
|
|
|
|
if (!ListView_IsReportView(plv) ||
|
|
(iCode != LVIR_BOUNDS && iCode != LVIR_ICON && iCode != LVIR_LABEL)) {
|
|
return FALSE;
|
|
}
|
|
|
|
pRects[0] = NULL;
|
|
pRects[1] = &rcTemp; // LVIR_ICON
|
|
pRects[2] = &rcTemp; // LVIR_LABEL
|
|
pRects[3] = NULL;
|
|
|
|
if (iCode != LVIR_BOUNDS) {
|
|
pRects[iCode] = lprc;
|
|
} else {
|
|
// choose either
|
|
pRects[LVIR_ICON] = lprc;
|
|
}
|
|
|
|
ListView_RGetRectsEx(plv, iItem, iSubItem,
|
|
pRects[LVIR_ICON], pRects[LVIR_LABEL]);
|
|
|
|
if (iCode == LVIR_BOUNDS) {
|
|
UnionRect(lprc, lprc, &rcTemp);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
int ListView_RXHitTest(LV* plv, int x)
|
|
{
|
|
int iSubItem;
|
|
|
|
for (iSubItem = plv->cCol - 1; iSubItem >= 0; iSubItem--) {
|
|
RECT rc;
|
|
|
|
// see if its in this rect,
|
|
if (!Header_GetItemRect(plv->hwndHdr, iSubItem, &rc))
|
|
return -1;
|
|
|
|
OffsetRect(&rc, -plv->ptlRptOrigin.x, 0);
|
|
if (rc.left <= x && x < rc.right) {
|
|
break;
|
|
}
|
|
}
|
|
return iSubItem;
|
|
}
|
|
|
|
int ListView_OnSubItemHitTest(LV* plv, LPLVHITTESTINFO plvhti)
|
|
{
|
|
int i = -1;
|
|
int iSubItem = 0;
|
|
UINT uFlags = LVHT_NOWHERE;
|
|
|
|
if (!plvhti) {
|
|
return -1;
|
|
}
|
|
|
|
if (ListView_IsReportView(plv)) {
|
|
iSubItem = ListView_RXHitTest(plv, plvhti->pt.x);
|
|
if (iSubItem == -1) {
|
|
goto Bail;
|
|
}
|
|
}
|
|
|
|
if (iSubItem == 0) {
|
|
// if we're in column 0, just hand it off to the old stuff
|
|
ListView_OnHitTest(plv, plvhti);
|
|
plvhti->iSubItem = 0;
|
|
return plvhti->iItem;
|
|
}
|
|
|
|
if (!ListView_IsReportView(plv)) {
|
|
goto Bail;
|
|
}
|
|
|
|
i = ListView_RYHitTest(plv, plvhti->pt.y);
|
|
if (i < ListView_Count(plv)) {
|
|
RECT rcIcon, rcLabel;
|
|
|
|
if (i != -1) {
|
|
ListView_RGetRectsEx(plv, i, iSubItem, &rcIcon, &rcLabel);
|
|
if (plvhti->pt.x >= rcIcon.left && plvhti->pt.x <= rcIcon.right) {
|
|
uFlags = LVHT_ONITEMICON;
|
|
} else if (plvhti->pt.x >= rcLabel.left && plvhti->pt.x <= rcLabel.right){
|
|
uFlags = LVHT_ONITEMLABEL;
|
|
} else
|
|
uFlags = LVHT_ONITEM;
|
|
}
|
|
} else {
|
|
i = -1;
|
|
}
|
|
|
|
Bail:
|
|
|
|
plvhti->iItem = i;
|
|
plvhti->iSubItem = iSubItem;
|
|
plvhti->flags = uFlags;
|
|
|
|
return plvhti->iItem;
|
|
}
|
|
|
|
|
|
|
|
// BUGBUG: this is duplicate code with all the other views!
|
|
// See whether entire string will fit in *prc; if not, compute number of chars
|
|
// that will fit, including ellipses. Returns length of string in *pcchDraw.
|
|
//
|
|
BOOL NEAR ListView_NeedsEllipses(HDC hdc, LPCTSTR pszText, RECT FAR* prc, int FAR* pcchDraw, int cxEllipses)
|
|
{
|
|
int cchText;
|
|
int cxRect;
|
|
int ichMin, ichMax, ichMid;
|
|
SIZE siz;
|
|
#if !defined(UNICODE) // && defined(DBCS)
|
|
LPCTSTR lpsz;
|
|
#endif
|
|
|
|
cxRect = prc->right - prc->left;
|
|
|
|
cchText = lstrlen(pszText);
|
|
|
|
if (cchText == 0)
|
|
{
|
|
*pcchDraw = cchText;
|
|
return FALSE;
|
|
}
|
|
|
|
GetTextExtentPoint(hdc, pszText, cchText, &siz);
|
|
|
|
if (siz.cx <= cxRect)
|
|
{
|
|
*pcchDraw = cchText;
|
|
return FALSE;
|
|
}
|
|
|
|
cxRect -= cxEllipses;
|
|
|
|
// If no room for ellipses, always show first character.
|
|
//
|
|
ichMax = 1;
|
|
if (cxRect > 0)
|
|
{
|
|
// Binary search to find character that will fit
|
|
ichMin = 0;
|
|
ichMax = cchText;
|
|
while (ichMin < ichMax)
|
|
{
|
|
// Be sure to round up, to make sure we make progress in
|
|
// the loop if ichMax == ichMin + 1.
|
|
//
|
|
ichMid = (ichMin + ichMax + 1) / 2;
|
|
|
|
GetTextExtentPoint(hdc, &pszText[ichMin], ichMid - ichMin, &siz);
|
|
|
|
if (siz.cx < cxRect)
|
|
{
|
|
ichMin = ichMid;
|
|
cxRect -= siz.cx;
|
|
}
|
|
else if (siz.cx > cxRect)
|
|
{
|
|
ichMax = ichMid - 1;
|
|
}
|
|
else
|
|
{
|
|
// Exact match up up to ichMid: just exit.
|
|
//
|
|
ichMax = ichMid;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Make sure we always show at least the first character...
|
|
//
|
|
if (ichMax < 1)
|
|
ichMax = 1;
|
|
}
|
|
|
|
#if !defined(UNICODE) // && defined(DBCS)
|
|
// b#8934
|
|
lpsz = &pszText[ichMax];
|
|
while ( lpsz-- > pszText )
|
|
{
|
|
if (!IsDBCSLeadByte(*lpsz))
|
|
break;
|
|
}
|
|
ichMax += ( (&pszText[ichMax] - lpsz) & 1 ) ? 0: 1;
|
|
#endif
|
|
|
|
*pcchDraw = ichMax;
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
void NEAR ListView_RUpdateScrollBars(LV* plv)
|
|
{
|
|
HD_LAYOUT layout;
|
|
RECT rcClient;
|
|
RECT rcBounds;
|
|
WINDOWPOS wpos;
|
|
int cColVis, cyColVis, iNewPos, iyDelta = 0, ixDelta = 0;
|
|
BOOL fHorSB, fReupdate = FALSE;
|
|
SCROLLINFO si;
|
|
|
|
ListView_GetClientRect(plv, &rcClient, FALSE, NULL);
|
|
|
|
if (!plv->hwndHdr)
|
|
ListView_CreateHeader(plv);
|
|
|
|
if (!plv->hwndHdr)
|
|
TraceMsg(TF_WARNING, "ListView_RUpdateScrollBars could not create hwndHdr");
|
|
|
|
layout.pwpos = &wpos;
|
|
// For now lets try to handle scrolling the header by setting
|
|
// its window pos.
|
|
rcClient.left -= (int)plv->ptlRptOrigin.x;
|
|
layout.prc = &rcClient;
|
|
Header_Layout(plv->hwndHdr, &layout);
|
|
rcClient.left += (int)plv->ptlRptOrigin.x; // Move it back over!
|
|
|
|
SetWindowPos(plv->hwndHdr, wpos.hwndInsertAfter, wpos.x, wpos.y,
|
|
wpos.cx, wpos.cy, wpos.flags | SWP_SHOWWINDOW);
|
|
|
|
// Get the horizontal bounds of the items.
|
|
ListView_RGetRects(plv, 0, NULL, NULL, &rcBounds, NULL);
|
|
|
|
// If v3 or better, take a cyEdge off the top
|
|
if (plv->ci.iVersion >= 3)
|
|
rcClient.top += g_cyEdge;
|
|
|
|
plv->yTop = rcClient.top;
|
|
|
|
// fHorSB = Do I need a horizontal scrollbar?
|
|
// cyColVis = number of pixels per screenful
|
|
fHorSB = (rcBounds.right - rcBounds.left > rcClient.right); // First guess.
|
|
cyColVis = rcClient.bottom - rcClient.top -
|
|
(fHorSB ? ListView_GetCyScrollbar(plv) : 0);
|
|
|
|
// If screen can't fit the entire listview...
|
|
if (cyColVis < ListView_Count(plv) * plv->cyItem) {
|
|
//then we're going to have a vertical scrollbar.. make sure our horizontal count is correct
|
|
rcClient.right -= ListView_GetCxScrollbar(plv);
|
|
|
|
if (!fHorSB) {
|
|
// if we previously thought we weren't going to have a scrollbar, we could be wrong..
|
|
// since the vertical bar shrunk our area
|
|
fHorSB = (rcBounds.right - rcBounds.left > rcClient.right); // First guess.
|
|
cyColVis = rcClient.bottom - rcClient.top -
|
|
(fHorSB ? ListView_GetCyScrollbar(plv) : 0);
|
|
}
|
|
}
|
|
|
|
// cColVis = number of completely visible items per screenful
|
|
cColVis = cyColVis / plv->cyItem;
|
|
|
|
si.cbSize = sizeof(SCROLLINFO);
|
|
|
|
si.fMask = SIF_PAGE | SIF_RANGE | SIF_POS;
|
|
si.nPos = (int)(plv->ptlRptOrigin.y / plv->cyItem);
|
|
si.nPage = cColVis;
|
|
si.nMin = 0;
|
|
si.nMax = ListView_Count(plv) - 1;
|
|
ListView_SetScrollInfo(plv, SB_VERT, &si, TRUE);
|
|
|
|
// make sure our position and page doesn't hang over max
|
|
if ((si.nPos > (int)si.nMax - (int)si.nPage + 1) && si.nPos > 0) {
|
|
iNewPos = (int)si.nMax - (int)si.nPage + 1;
|
|
if (iNewPos < 0) iNewPos = 0;
|
|
if (iNewPos != si.nPos) {
|
|
iyDelta = iNewPos - (int)si.nPos;
|
|
fReupdate = TRUE;
|
|
}
|
|
}
|
|
|
|
si.nPos = (int)plv->ptlRptOrigin.x;
|
|
si.nPage = rcClient.right - rcClient.left;
|
|
|
|
// We need to subtract 1 here because nMax is 0 based, and nPage is the actual
|
|
// number of page pixels. So, if nPage and nMax are the same we will get a
|
|
// horz scroll, since there is 1 more pixel than the page can show, but... rcBounds
|
|
// is like rcRect, and is the actual number of pixels for the whole thing, so
|
|
// we need to set nMax so that: nMax - 0 == rcBounds.right - rcBound.left
|
|
si.nMax = rcBounds.right - rcBounds.left - 1;
|
|
ListView_SetScrollInfo(plv, SB_HORZ, &si, TRUE);
|
|
|
|
// SWP_FRAMECHANGED redraws the background if the client
|
|
// area has changed (taking into account scrollbars and
|
|
// the Header window). SetScrollInfo does this automatically
|
|
// when it creates a scrollbar - we do it ourselves when
|
|
// there is no scrollbar.
|
|
if ((UINT)si.nPage > (UINT)si.nMax &&
|
|
((plv->pImgCtx && plv->fImgCtxComplete) || plv->hbmBkImage))
|
|
SetWindowPos(plv->ci.hwnd, NULL, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE | SWP_NOZORDER | SWP_FRAMECHANGED);
|
|
|
|
// make sure our position and page doesn't hang over max
|
|
if ((si.nPos + (LONG)si.nPage - 1 > si.nMax) && si.nPos > 0) {
|
|
iNewPos = (int)si.nMax - (int)si.nPage + 1;
|
|
if (iNewPos < 0) iNewPos = 0;
|
|
if (iNewPos != si.nPos) {
|
|
ixDelta = iNewPos - (int)si.nPos;
|
|
fReupdate = TRUE;
|
|
}
|
|
}
|
|
|
|
if (fReupdate) {
|
|
// we shouldn't recurse because the second time through, si.nPos >0
|
|
ListView_RScroll2(plv, ixDelta, iyDelta, 0);
|
|
ListView_RUpdateScrollBars(plv);
|
|
TraceMsg(TF_LISTVIEW, "LISTVIEW: ERROR: We had to recurse!");
|
|
}
|
|
}
|
|
|
|
//
|
|
// We need a smoothscroll callback so our background image draws
|
|
// at the correct origin. If we don't have a background image,
|
|
// then this work is superfluous but not harmful either.
|
|
//
|
|
int CALLBACK ListView_RScroll2_SmoothScroll(
|
|
HWND hwnd,
|
|
int dx,
|
|
int dy,
|
|
CONST RECT *prcScroll,
|
|
CONST RECT *prcClip,
|
|
HRGN hrgnUpdate,
|
|
LPRECT prcUpdate,
|
|
UINT flags)
|
|
{
|
|
LV* plv = ListView_GetPtr(hwnd);
|
|
if (plv)
|
|
{
|
|
plv->ptlRptOrigin.x -= dx;
|
|
plv->ptlRptOrigin.y -= dy;
|
|
}
|
|
|
|
// Now do what SmoothScrollWindow would've done if we weren't
|
|
// a callback
|
|
|
|
return ScrollWindowEx(hwnd, dx, dy, prcScroll, prcClip, hrgnUpdate, prcUpdate, flags);
|
|
}
|
|
|
|
|
|
|
|
void FAR PASCAL ListView_RScroll2(LV* plv, int dx, int dy, UINT uSmooth)
|
|
{
|
|
LONG ldy;
|
|
|
|
if (dx | dy)
|
|
{
|
|
RECT rc;
|
|
|
|
GetClientRect(plv->ci.hwnd, &rc);
|
|
|
|
rc.top = plv->yTop;
|
|
|
|
// We can not do a simple multiply here as we may run into
|
|
// a case where this will overflow an int..
|
|
ldy = (LONG)dy * plv->cyItem;
|
|
|
|
// handle case where dy is large (greater than int...)
|
|
if ((ldy > rc.bottom) || (ldy < -rc.bottom)) {
|
|
InvalidateRect(plv->ci.hwnd, NULL, TRUE);
|
|
plv->ptlRptOrigin.x += dx;
|
|
plv->ptlRptOrigin.y += ldy;
|
|
} else {
|
|
SMOOTHSCROLLINFO si;
|
|
si.cbSize = sizeof(si);
|
|
si.fMask = SSIF_SCROLLPROC;
|
|
si.hwnd = plv->ci.hwnd;
|
|
si.dx = -dx;
|
|
si.dy = (int)-ldy;
|
|
si.lprcSrc = NULL;
|
|
si.lprcClip = &rc;
|
|
si.hrgnUpdate = NULL;
|
|
si.lprcUpdate = NULL;
|
|
si.fuScroll =SW_INVALIDATE | SW_ERASE | uSmooth;
|
|
si.pfnScrollProc = ListView_RScroll2_SmoothScroll;
|
|
SmoothScrollWindow(&si);
|
|
|
|
/// this causes horrible flicker/repaint on deletes.
|
|
// if this is a problem with UI scrolling, we'll have to pass through a
|
|
// flag when to use this
|
|
///UpdateWindow(plv->ci.hwnd);
|
|
}
|
|
|
|
// if Horizontal scrolling, we should update the location of the
|
|
// left hand edge of the window...
|
|
//
|
|
if (dx != 0)
|
|
{
|
|
RECT rcHdr;
|
|
GetWindowRect(plv->hwndHdr, &rcHdr);
|
|
MapWindowRect(HWND_DESKTOP, plv->ci.hwnd, &rcHdr);
|
|
SetWindowPos(plv->hwndHdr, NULL, rcHdr.left - dx, rcHdr.top,
|
|
rcHdr.right - rcHdr.left + dx,
|
|
rcHdr.bottom - rcHdr.top,
|
|
SWP_NOZORDER | SWP_NOACTIVATE);
|
|
}
|
|
}
|
|
}
|
|
|
|
//-------------------------------------------------------------------
|
|
// Make sure that specified item is visible for report view.
|
|
// Must handle Large number of items...
|
|
BOOL NEAR ListView_ROnEnsureVisible(LV* plv, int iItem, BOOL fPartialOK)
|
|
{
|
|
LONG dy;
|
|
LONG yTop;
|
|
LONG lyTop;
|
|
|
|
yTop = plv->yTop;
|
|
|
|
// lyTop = where our item is right now
|
|
lyTop = (LONG)iItem * plv->cyItem - plv->ptlRptOrigin.y + plv->yTop;
|
|
|
|
// If visible below yTop and our bottom is visible above client bottom,
|
|
// then we're happy.
|
|
if ((lyTop >= (LONG)yTop) &&
|
|
((lyTop + plv->cyItem) <= (LONG)plv->sizeClient.cy))
|
|
return(TRUE); // we are visible
|
|
|
|
dy = lyTop - yTop;
|
|
if (dy >= 0)
|
|
{
|
|
// dy = how many pixels we need to scroll to come into view
|
|
dy = lyTop + plv->cyItem - plv->sizeClient.cy;
|
|
if (dy < 0)
|
|
dy = 0;
|
|
}
|
|
|
|
if (dy)
|
|
{
|
|
int iRound = ((dy > 0) ? 1 : -1) * (plv->cyItem - 1);
|
|
|
|
// Now convert into the number of items to scroll...
|
|
dy = (dy + iRound) / plv->cyItem;
|
|
|
|
#ifdef MAINWIN
|
|
if (dy > 0) dy -=1;
|
|
#endif
|
|
|
|
ListView_RScroll2(plv, 0, (int)dy, 0);
|
|
if (ListView_RedrawEnabled(plv)) {
|
|
ListView_UpdateScrollBars(plv);
|
|
} else {
|
|
ListView_DeleteHrgnInval(plv);
|
|
plv->hrgnInval = (HRGN)ENTIRE_REGION;
|
|
plv->flags |= LVF_ERASE;
|
|
}
|
|
#ifdef MAINWIN
|
|
return TRUE;
|
|
#endif
|
|
}
|
|
#ifdef MAINWIN
|
|
return FALSE;
|
|
#else
|
|
return TRUE;
|
|
#endif
|
|
}
|
|
|
|
|
|
|
|
void NEAR ListView_ROnScroll(LV* plv, UINT code, int posNew, UINT sb)
|
|
{
|
|
int cLine;
|
|
|
|
cLine = (sb == SB_VERT) ? 1 : plv->cxLabelChar;
|
|
ListView_ComOnScroll(plv, code, posNew, sb, cLine, -1);
|
|
}
|
|
|
|
|
|
int NEAR ListView_RGetScrollUnitsPerLine(LV* plv, UINT sb)
|
|
{
|
|
int cLine;
|
|
|
|
cLine = (sb == SB_VERT) ? 1 : plv->cxLabelChar;
|
|
return cLine;
|
|
}
|