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3353 lines
103 KiB
3353 lines
103 KiB
// large icon view stuff
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#include "ctlspriv.h"
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#include "listview.h"
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#if defined(FE_IME)
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static TCHAR const szIMECompPos[]=TEXT("IMECompPos");
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#endif
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__inline int ICONCXLABEL(LV *plv, LISTITEM *pitem)
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{
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if (plv->ci.style & LVS_NOLABELWRAP) {
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ASSERT(pitem->cxSingleLabel == pitem->cxMultiLabel);
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}
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return pitem->cxMultiLabel;
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}
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int LV_GetNewColWidth(LV* plv, int iFirst, int iLast);
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void LV_AdjustViewRectOnMove(LV* plv, LISTITEM *pitem, int x, int y);
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UINT LV_IsItemOnViewEdge(LV* plv, LISTITEM *pitem);
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void ListView_RecalcRegion(LV *plv, BOOL fForce, BOOL fRedraw);
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extern BOOL g_fSlowMachine;
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BOOL ListView_IDrawItem(PLVDRAWITEM plvdi)
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{
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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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TCHAR ach[CCHLABELMAX];
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LV_ITEM item;
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int i = (int) plvdi->nmcd.nmcd.dwItemSpec;
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LV* plv = plvdi->plv;
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LISTITEM FAR* pitem;
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BOOL fUnfolded;
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if (ListView_IsOwnerData(plv))
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{
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LISTITEM litem;
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// moved here to reduce call backs in OWNERDATA case
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item.iItem = i;
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item.iSubItem = 0;
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item.mask = LVIF_TEXT | LVIF_STATE | LVIF_IMAGE;
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item.stateMask = LVIS_ALL;
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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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litem.pszText = item.pszText;
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ListView_GetRectsOwnerData(plv, i, &rcIcon, &rcLabel, &rcBounds, NULL, &litem);
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pitem = NULL;
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}
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else
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{
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pitem = ListView_GetItemPtr(plv, i);
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// NOTE this will do a GetItem LVIF_TEXT iff needed
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ListView_GetRects(plv, i, &rcIcon, &rcLabel, &rcBounds, NULL);
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}
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fUnfolded = FALSE;
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if ( (plvdi->flags & LVDI_UNFOLDED) || ListView_IsItemUnfolded(plv, i))
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{
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ListView_UnfoldRects(plv, i, &rcIcon, &rcLabel, &rcBounds, NULL );
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fUnfolded = TRUE;
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}
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if (!plvdi->prcClip || IntersectRect(&rcT, &rcBounds, plvdi->prcClip))
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{
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UINT fText;
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if (!ListView_IsOwnerData(plv))
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{
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item.iItem = i;
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item.iSubItem = 0;
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item.mask = LVIF_TEXT | LVIF_STATE | LVIF_IMAGE;
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item.stateMask = LVIS_ALL;
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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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// Make sure the listview hasn't been altered during
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// the callback to get the item info
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if (pitem != ListView_GetItemPtr(plv, i))
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return FALSE;
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}
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if (plvdi->lpptOrg)
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{
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OffsetRect(&rcIcon, plvdi->lpptOrg->x - rcBounds.left,
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plvdi->lpptOrg->y - rcBounds.top);
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OffsetRect(&rcLabel, plvdi->lpptOrg->x - rcBounds.left,
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plvdi->lpptOrg->y - rcBounds.top);
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}
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if (ListView_IsIconView(plv))
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{
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fText = ListView_DrawImage(plv, &item, plvdi->nmcd.nmcd.hdc,
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rcIcon.left + g_cxIconMargin, rcIcon.top + g_cyIconMargin, plvdi->flags);
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// If linebreaking needs to happen, then use SHDT_DRAWTEXT.
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// Otherwise, use our (hopefully faster) internal SHDT_ELLIPSES
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if (rcLabel.bottom - rcLabel.top > plv->cyLabelChar)
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fText |= SHDT_DRAWTEXT;
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else
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fText |= SHDT_ELLIPSES;
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// We only use DT_NOFULLWIDTHCHARBREAK on Korean(949) Memphis and NT5
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if (949 == g_uiACP && (g_bRunOnNT5 || g_bRunOnMemphis))
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fText |= SHDT_NODBCSBREAK;
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}
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else
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{
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fText = ListView_DrawImage(plv, &item, plvdi->nmcd.nmcd.hdc,
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rcIcon.left, rcIcon.top, plvdi->flags);
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}
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// Don't draw label if it's being edited...
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//
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if (plv->iEdit != i)
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{
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// If multiline label, then we need to use DrawText
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if (rcLabel.bottom - rcLabel.top > plv->cyLabelChar)
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{
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fText |= SHDT_DRAWTEXT;
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// If the text is folded, we need to clip and add ellipses
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if (!fUnfolded)
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fText |= SHDT_CLIPPED | SHDT_DTELLIPSIS;
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if ( ListView_IsOwnerData(plv) )
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{
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// If owner data, we have no z-order and if long names they will over lap each
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// other, better to truncate for now...
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if (ListView_IsSmallView(plv))
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fText |= SHDT_ELLIPSES;
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}
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}
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else
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fText |= SHDT_ELLIPSES;
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if (plvdi->flags & LVDI_TRANSTEXT)
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fText |= SHDT_TRANSPARENT;
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if ((fText & SHDT_SELECTED) && (plvdi->flags & LVDI_HOTSELECTED))
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fText |= SHDT_HOTSELECTED;
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if (item.pszText && (*item.pszText))
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{
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if(plv->dwExStyle & WS_EX_RTLREADING)
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{
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fText |= SHDT_RTLREADING;
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}
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SHDrawText(plvdi->nmcd.nmcd.hdc, item.pszText, &rcLabel, LVCFMT_LEFT, fText,
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plv->cyLabelChar, plv->cxEllipses,
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plvdi->nmcd.clrText, plvdi->nmcd.clrTextBk);
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if ((plvdi->flags & LVDI_FOCUS) && (item.state & LVIS_FOCUSED)
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&& !(CCGetUIState(&(plvdi->plv->ci)) & UISF_HIDEFOCUS)
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)
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{
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DrawFocusRect(plvdi->nmcd.nmcd.hdc, &rcLabel);
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}
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}
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}
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}
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return TRUE;
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}
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void ListView_RefoldLabelRect(LV* plv, RECT *prcLabel, LISTITEM *pitem)
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{
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int bottom = pitem->cyUnfoldedLabel;
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bottom = min(bottom, pitem->cyFoldedLabel);
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bottom = min(bottom, CLIP_HEIGHT);
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prcLabel->bottom = prcLabel->top + bottom;
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}
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int NEAR ListView_IItemHitTest(LV* plv, int x, int y, UINT FAR* pflags, int *piSubItem)
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{
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int iHit;
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UINT flags;
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POINT pt;
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RECT rcLabel;
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RECT rcIcon;
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RECT rcState;
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if (piSubItem)
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*piSubItem = 0;
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// Map window-relative coordinates to view-relative coords...
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//
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pt.x = x + plv->ptOrigin.x;
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pt.y = y + plv->ptOrigin.y;
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// If there are any uncomputed items, recompute them now.
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//
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if (plv->rcView.left == RECOMPUTE)
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ListView_Recompute(plv);
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flags = 0;
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if (ListView_IsOwnerData( plv ))
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{
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int cSlots;
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POINT ptWnd;
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LISTITEM item;
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cSlots = ListView_GetSlotCount( plv, TRUE );
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iHit = ListView_CalcHitSlot( plv, pt, cSlots );
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if (iHit < ListView_Count(plv))
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{
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ListView_IGetRectsOwnerData( plv, iHit, &rcIcon, &rcLabel, &item, FALSE );
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ptWnd.x = x;
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ptWnd.y = y;
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if (PtInRect(&rcIcon, ptWnd))
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{
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flags = LVHT_ONITEMICON;
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}
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else if (PtInRect(&rcLabel, ptWnd))
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{
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flags = LVHT_ONITEMLABEL;
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}
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}
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}
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else
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{
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for (iHit = 0; (iHit < ListView_Count(plv)); iHit++)
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{
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LISTITEM FAR* pitem = ListView_FastGetZItemPtr(plv, iHit);
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POINT ptItem;
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ptItem.x = pitem->pt.x;
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ptItem.y = pitem->pt.y;
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rcIcon.top = ptItem.y - g_cyIconMargin;
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rcLabel.top = ptItem.y + plv->cyIcon + g_cyLabelSpace;
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rcLabel.bottom = rcLabel.top + pitem->cyUnfoldedLabel;
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if ( !ListView_IsItemUnfoldedPtr(plv, pitem) )
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ListView_RefoldLabelRect(plv, &rcLabel, pitem);
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// Quick, easy rejection test...
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//
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if (pt.y < rcIcon.top || pt.y >= rcLabel.bottom)
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continue;
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rcIcon.left = ptItem.x - g_cxIconMargin;
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rcIcon.right = ptItem.x + plv->cxIcon + g_cxIconMargin;
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// We need to make sure there is no gap between the icon and label
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rcIcon.bottom = rcLabel.top;
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rcState.bottom = ptItem.y + plv->cyIcon;
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rcState.right = ptItem.x;
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rcState.top = rcState.bottom - plv->cyState;
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rcState.left = rcState.right - plv->cxState;
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rcLabel.left = ptItem.x + (plv->cxIcon / 2) - (ICONCXLABEL(plv, pitem) / 2);
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rcLabel.right = rcLabel.left + ICONCXLABEL(plv, pitem);
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if (plv->cxState && PtInRect(&rcState, pt))
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{
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flags = LVHT_ONITEMSTATEICON;
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}
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else if (PtInRect(&rcIcon, pt))
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{
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flags = LVHT_ONITEMICON;
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}
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else if (PtInRect(&rcLabel, pt))
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{
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flags = LVHT_ONITEMLABEL;
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}
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if (flags)
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break;
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}
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}
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if (flags == 0)
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{
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flags = LVHT_NOWHERE;
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iHit = -1;
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}
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else
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{
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if (!ListView_IsOwnerData( plv ))
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{
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iHit = DPA_GetPtrIndex(plv->hdpa, ListView_FastGetZItemPtr(plv, iHit));
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}
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}
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*pflags = flags;
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return iHit;
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}
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// BUGBUG raymondc
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// need to pass HDC here isnce it's sometimes called from the paint loop
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void NEAR ListView_IGetRectsOwnerData( LV* plv,
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int iItem,
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RECT FAR* prcIcon,
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RECT FAR* prcLabel,
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LISTITEM* pitem,
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BOOL fUsepitem )
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{
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int itemIconXLabel;
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int cSlots;
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// calculate x, y from iItem
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cSlots = ListView_GetSlotCount( plv, TRUE );
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pitem->iWorkArea = 0; // OwnerData doesn't support workareas
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ListView_SetIconPos( plv, pitem, iItem, cSlots );
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// calculate lable sizes from iItem
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ListView_RecomputeLabelSize( plv, pitem, iItem, NULL, fUsepitem);
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if (plv->ci.style & LVS_NOLABELWRAP)
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{
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// use single label
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itemIconXLabel = pitem->cxSingleLabel;
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}
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else
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{
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// use multilabel
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itemIconXLabel = pitem->cxMultiLabel;
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}
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prcIcon->left = pitem->pt.x - g_cxIconMargin - plv->ptOrigin.x;
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prcIcon->right = prcIcon->left + plv->cxIcon + 2 * g_cxIconMargin;
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prcIcon->top = pitem->pt.y - g_cyIconMargin - plv->ptOrigin.y;
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prcIcon->bottom = prcIcon->top + plv->cyIcon + 2 * g_cyIconMargin;
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prcLabel->left = pitem->pt.x + (plv->cxIcon / 2) - (itemIconXLabel / 2) - plv->ptOrigin.x;
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prcLabel->right = prcLabel->left + itemIconXLabel;
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prcLabel->top = pitem->pt.y + plv->cyIcon + g_cyLabelSpace - plv->ptOrigin.y;
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prcLabel->bottom = prcLabel->top + pitem->cyUnfoldedLabel;
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if ( !ListView_IsItemUnfolded(plv, iItem) )
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ListView_RefoldLabelRect(plv, prcLabel, pitem);
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}
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// out:
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// prcIcon icon bounds including icon margin area
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void NEAR ListView_IGetRects(LV* plv, LISTITEM FAR* pitem, RECT FAR* prcIcon, RECT FAR* prcLabel, LPRECT prcBounds)
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{
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int cxIconMargin;
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ASSERT( !ListView_IsOwnerData( plv ) );
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if (pitem->pt.x == RECOMPUTE) {
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ListView_Recompute(plv);
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}
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if (ListView_IsIconView(plv) && ((plv->cxIconSpacing - plv->cxIcon) < (2 * g_cxIconMargin)))
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cxIconMargin = (plv->cxIconSpacing - plv->cxIcon) / 2;
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else
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cxIconMargin = g_cxIconMargin;
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prcIcon->left = pitem->pt.x - cxIconMargin - plv->ptOrigin.x;
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prcIcon->right = prcIcon->left + plv->cxIcon + 2 * cxIconMargin;
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prcIcon->top = pitem->pt.y - g_cyIconMargin - plv->ptOrigin.y;
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prcIcon->bottom = prcIcon->top + plv->cyIcon + 2 * g_cyIconMargin;
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prcLabel->left = pitem->pt.x + (plv->cxIcon / 2) - (ICONCXLABEL(plv, pitem) / 2) - plv->ptOrigin.x;
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prcLabel->right = prcLabel->left + ICONCXLABEL(plv, pitem);
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prcLabel->top = pitem->pt.y + plv->cyIcon + g_cyLabelSpace - plv->ptOrigin.y;
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prcLabel->bottom = prcLabel->top + pitem->cyUnfoldedLabel;
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if ( !ListView_IsItemUnfoldedPtr(plv, pitem) )
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ListView_RefoldLabelRect(plv, prcLabel, pitem);
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}
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int NEAR ListView_GetSlotCountEx(LV* plv, BOOL fWithoutScrollbars, int iWorkArea)
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{
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int cxScreen;
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int cyScreen;
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int dxItem;
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int dyItem;
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int iSlots = 1;
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BOOL fCheckWithScroll = FALSE;
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DWORD style = 0;
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// Always use the current client window size to determine
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//
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// REVIEW: Should we exclude any vertical scroll bar that may
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// exist when computing this? progman.exe does not.
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//
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if ((iWorkArea >= 0 ) && (plv->nWorkAreas > 0))
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{
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ASSERT(iWorkArea < plv->nWorkAreas);
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cxScreen = RECTWIDTH(plv->prcWorkAreas[iWorkArea]);
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cyScreen = RECTHEIGHT(plv->prcWorkAreas[iWorkArea]);
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}
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else
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{
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cxScreen = plv->sizeClient.cx;
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cyScreen = plv->sizeClient.cy;
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}
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if (fWithoutScrollbars)
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{
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style = ListView_GetWindowStyle(plv);
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if (style & WS_VSCROLL)
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{
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cxScreen += ListView_GetCxScrollbar(plv);
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}
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if (style & WS_HSCROLL)
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{
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cyScreen += ListView_GetCyScrollbar(plv);
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}
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}
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if (ListView_IsSmallView(plv))
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dxItem = plv->cxItem;
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else
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dxItem = lv_cxIconSpacing;
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if (ListView_IsSmallView(plv))
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dyItem = plv->cyItem;
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else
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dyItem = lv_cyIconSpacing;
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if (!dxItem)
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dxItem = 1;
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if (!dyItem)
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dyItem = 1;
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// Lets see which direction the view states
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switch (plv->ci.style & LVS_ALIGNMASK)
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{
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case LVS_ALIGNBOTTOM:
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case LVS_ALIGNTOP:
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iSlots = max(1, (cxScreen) / dxItem);
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fCheckWithScroll = (BOOL)(style & WS_VSCROLL);
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break;
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case LVS_ALIGNRIGHT:
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case LVS_ALIGNLEFT:
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iSlots = max(1, (cyScreen) / dyItem);
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fCheckWithScroll = (BOOL)(style & WS_HSCROLL);
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break;
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default:
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ASSERT(0);
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return 1;
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}
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// if we don't have enough slots total on the screen, we're going to have
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// a scrollbar, so recompute with the scrollbars on
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if (fWithoutScrollbars && fCheckWithScroll) {
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int iTotalSlots = (dxItem * dyItem);
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if (iTotalSlots < ListView_Count(plv)) {
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iSlots = ListView_GetSlotCountEx(plv, FALSE, iWorkArea);
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}
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}
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return iSlots;
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}
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int NEAR ListView_GetSlotCount(LV* plv, BOOL fWithoutScrollbars)
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{
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// Make sure this function does exactly the same thing as when
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// we had no workareas
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return ListView_GetSlotCountEx(plv, fWithoutScrollbars, -1);
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}
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// get the pixel row (or col in left align) of pitem
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int LV_GetItemPixelRow(LV* plv, LISTITEM* pitem)
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{
|
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if ((plv->ci.style & LVS_ALIGNMASK) == LVS_ALIGNLEFT) {
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return pitem->pt.x;
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} else {
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return pitem->pt.y;
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}
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}
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// get the pixel row (or col in left align) of the lowest item
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int LV_GetMaxPlacedItem(LV* plv)
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{
|
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int i;
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int iMaxPlacedItem = 0;
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for (i = 0; i < ListView_Count(plv); i++) {
|
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LISTITEM FAR* pitem = ListView_FastGetItemPtr(plv, i);
|
|
if (pitem->pt.y != RECOMPUTE) {
|
|
int iRow = LV_GetItemPixelRow(plv, pitem);
|
|
// if the current item is "below" (on right if it's left aligned)
|
|
// the lowest placed item, we can start appending
|
|
if (!i || iRow > iMaxPlacedItem)
|
|
iMaxPlacedItem = iRow;
|
|
}
|
|
}
|
|
|
|
return iMaxPlacedItem;;
|
|
}
|
|
|
|
// Go through and recompute any icon positions and optionally
|
|
// icon label dimensions.
|
|
//
|
|
// This function also recomputes the view bounds rectangle.
|
|
//
|
|
// The algorithm is to simply search the list for any items needing
|
|
// recomputation. For icon positions, we scan possible icon slots
|
|
// and check to see if any already-positioned icon intersects the slot.
|
|
// If not, the slot is free. As an optimization, we start scanning
|
|
// icon slots from the previous slot we found.
|
|
//
|
|
void NEAR ListView_Recompute(LV* plv)
|
|
{
|
|
int i;
|
|
int cSlots;
|
|
int cWorkAreaSlots[LV_MAX_WORKAREAS];
|
|
BOOL fUpdateSB;
|
|
// if all the items are unplaced, we can just keep appending
|
|
BOOL fAppendAtEnd = (((UINT)ListView_Count(plv)) == plv->uUnplaced);
|
|
int iFree;
|
|
|
|
plv->uUnplaced = 0;
|
|
|
|
if (!(ListView_IsIconView(plv) || ListView_IsSmallView(plv)))
|
|
return;
|
|
|
|
if (plv->flags & LVF_INRECOMPUTE)
|
|
{
|
|
return;
|
|
}
|
|
plv->flags |= LVF_INRECOMPUTE;
|
|
|
|
cSlots = ListView_GetSlotCount(plv, FALSE);
|
|
|
|
if (plv->nWorkAreas > 0)
|
|
for (i = 0; i < plv->nWorkAreas; i++)
|
|
cWorkAreaSlots[i] = ListView_GetSlotCountEx(plv, FALSE, i);
|
|
|
|
// Scan all items for RECOMPUTE, and recompute slot if needed.
|
|
//
|
|
fUpdateSB = (plv->rcView.left == RECOMPUTE);
|
|
|
|
if (!ListView_IsOwnerData( plv ))
|
|
{
|
|
LVFAKEDRAW lvfd; // in case client uses customdraw
|
|
LV_ITEM item; // in case client uses customdraw
|
|
int iMaxPlacedItem = RECOMPUTE;
|
|
|
|
item.mask = LVIF_PARAM;
|
|
item.iSubItem = 0;
|
|
|
|
ListView_BeginFakeCustomDraw(plv, &lvfd, &item);
|
|
|
|
if (!fAppendAtEnd)
|
|
iMaxPlacedItem = LV_GetMaxPlacedItem(plv);
|
|
|
|
// Must keep in local variable because ListView_SetIconPos will keep
|
|
// invalidating the iFreeSlot cache while we're looping
|
|
iFree = plv->iFreeSlot;
|
|
for (i = 0; i < ListView_Count(plv); i++)
|
|
{
|
|
int cRealSlots;
|
|
LISTITEM FAR* pitem = ListView_FastGetItemPtr(plv, i);
|
|
BOOL fRedraw = FALSE;
|
|
cRealSlots = (plv->nWorkAreas > 0) ? cWorkAreaSlots[pitem->iWorkArea] : cSlots;
|
|
if (pitem->pt.y == RECOMPUTE)
|
|
{
|
|
if (pitem->cyFoldedLabel == SRECOMPUTE)
|
|
{
|
|
// Get the item lParam only if we need it for customdraw
|
|
item.iItem = i;
|
|
item.lParam = pitem->lParam;
|
|
|
|
ListView_BeginFakeItemDraw(&lvfd);
|
|
ListView_RecomputeLabelSize(plv, pitem, i, lvfd.nmcd.nmcd.hdc, FALSE);
|
|
ListView_EndFakeItemDraw(&lvfd);
|
|
}
|
|
// BUGBUG: (dli) This function gets a new icon postion and then goes
|
|
// through the whole set of items to see if that position is occupied
|
|
// should let it know in the multi-workarea case, it only needs to go
|
|
// through those who are in the same workarea.
|
|
// This is okay for now because we cannot have too many items on the
|
|
// desktop.
|
|
iFree = ListView_FindFreeSlot(plv, i, iFree + 1, cRealSlots, &fUpdateSB, &fAppendAtEnd, lvfd.nmcd.nmcd.hdc);
|
|
ASSERT(iFree != -1);
|
|
|
|
ListView_SetIconPos(plv, pitem, iFree, cRealSlots);
|
|
|
|
if (!fAppendAtEnd) {
|
|
//// optimization. each time we calc a new free slot, we iterate through all the items to see
|
|
// if any of the freely placed items collide with this.
|
|
// fAppendAtEnd indicates that iFree is beyond any freely placed item
|
|
//
|
|
// if the current item is "below" (on right if it's left aligned)
|
|
// the lowest placed item, we can start appending
|
|
if (LV_GetItemPixelRow(plv, pitem) > iMaxPlacedItem)
|
|
fAppendAtEnd = TRUE;
|
|
}
|
|
|
|
if (!fUpdateSB && LV_IsItemOnViewEdge(plv, pitem))
|
|
fUpdateSB = TRUE;
|
|
|
|
fRedraw = TRUE;
|
|
}
|
|
|
|
if (fRedraw)
|
|
{
|
|
ListView_InvalidateItem(plv, i, FALSE, RDW_INVALIDATE | RDW_ERASE);
|
|
}
|
|
}
|
|
plv->iFreeSlot = iFree;
|
|
ListView_EndFakeCustomDraw(&lvfd);
|
|
|
|
}
|
|
// If we changed something, recompute the view rectangle
|
|
// and then update the scroll bars.
|
|
//
|
|
if (fUpdateSB || plv->rcView.left == RECOMPUTE )
|
|
{
|
|
|
|
TraceMsg(TF_GENERAL, "************ LV: Expensive update! ******* ");
|
|
|
|
// NOTE: No infinite recursion results because we're setting
|
|
// plv->rcView.left != RECOMPUTE
|
|
//
|
|
SetRectEmpty(&plv->rcView);
|
|
|
|
if (ListView_IsOwnerData( plv ))
|
|
{
|
|
if (ListView_Count( plv ) > 0)
|
|
{
|
|
RECT rcLast;
|
|
RECT rcItem;
|
|
int iSlots;
|
|
int iItem = ListView_Count( plv ) - 1;
|
|
|
|
ListView_GetRects( plv, 0, NULL, NULL, &plv->rcView, NULL );
|
|
ListView_GetRects( plv, iItem, NULL, NULL, &rcLast, NULL );
|
|
plv->rcView.right = rcLast.right;
|
|
plv->rcView.bottom = rcLast.bottom;
|
|
|
|
//
|
|
// calc how far back in the list to check
|
|
//
|
|
iSlots = cSlots + 2;
|
|
|
|
// REVIEW: This cache hint notification causes a spurious
|
|
// hint, since this happens often but is always the last items
|
|
// available. Should this hint be done at all and this information
|
|
// be cached local to the control?
|
|
ListView_NotifyCacheHint( plv, max( 0, iItem - iSlots), iItem );
|
|
|
|
// move backwards from last item until either rc.right or
|
|
// rc.left is greater than the last, then use that value.
|
|
// Note: This code makes very little assumptions about the ordering
|
|
// done. We should be careful as multiple line text fields could
|
|
// mess us up.
|
|
for( iItem--;
|
|
(iSlots > 0) && (iItem >= 0);
|
|
iSlots--, iItem--)
|
|
{
|
|
RECT rcIcon;
|
|
RECT rcLabel;
|
|
|
|
ListView_GetRects( plv, iItem, &rcIcon, &rcLabel, &rcItem, NULL );
|
|
ListView_UnfoldRects( plv, iItem, &rcIcon, &rcLabel, &rcItem, NULL );
|
|
if (rcItem.right > rcLast.right)
|
|
{
|
|
plv->rcView.right = rcItem.right;
|
|
}
|
|
if (rcItem.bottom > rcLast.bottom)
|
|
{
|
|
plv->rcView.bottom = rcItem.bottom;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (i = 0; i < ListView_Count(plv); i++)
|
|
{
|
|
RECT rcIcon;
|
|
RECT rcLabel;
|
|
RECT rcItem;
|
|
|
|
ListView_GetRects(plv, i, &rcIcon, &rcLabel, &rcItem, NULL);
|
|
ListView_UnfoldRects(plv, i, &rcIcon, &rcLabel, &rcItem, NULL);
|
|
UnionRect(&plv->rcView, &plv->rcView, &rcItem);
|
|
}
|
|
}
|
|
// add a little space at the edges so that we don't bump text
|
|
// completely to the end of the window
|
|
plv->rcView.bottom += g_cyEdge;
|
|
plv->rcView.right += g_cxEdge;
|
|
|
|
OffsetRect(&plv->rcView, plv->ptOrigin.x, plv->ptOrigin.y);
|
|
//TraceMsg(DM_TRACE, "RECOMPUTE: rcView %x %x %x %x", plv->rcView.left, plv->rcView.top, plv->rcView.right, plv->rcView.bottom);
|
|
//TraceMsg(DM_TRACE, "Origin %x %x", plv->ptOrigin.x, plv->ptOrigin.y);
|
|
|
|
ListView_UpdateScrollBars(plv);
|
|
}
|
|
ListView_RecalcRegion(plv, FALSE, TRUE);
|
|
// Now state we are out of the recompute...
|
|
plv->flags &= ~LVF_INRECOMPUTE;
|
|
}
|
|
|
|
void NEAR PASCAL NearestSlot(int FAR *x, int FAR *y, int cxItem, int cyItem, LPRECT prcWork)
|
|
{
|
|
if (prcWork != NULL)
|
|
{
|
|
*x = *x - prcWork->left;
|
|
*y = *y - prcWork->top;
|
|
}
|
|
|
|
if (*x < 0)
|
|
*x -= cxItem/2;
|
|
else
|
|
*x += cxItem/2;
|
|
|
|
if (*y < 0)
|
|
*y -= cyItem/2;
|
|
else
|
|
*y += cyItem/2;
|
|
|
|
*x = *x - (*x % cxItem);
|
|
*y = *y - (*y % cyItem);
|
|
|
|
if (prcWork != NULL)
|
|
{
|
|
*x = *x + prcWork->left;
|
|
*y = *y + prcWork->top;
|
|
}
|
|
}
|
|
|
|
|
|
//-------------------------------------------------------------------
|
|
//
|
|
//-------------------------------------------------------------------
|
|
|
|
void ListView_CalcMinMaxIndex( LV* plv, PRECT prcBounding, int* iMin, int* iMax )
|
|
{
|
|
POINT pt;
|
|
int cSlots;
|
|
|
|
cSlots = ListView_GetSlotCount( plv, TRUE );
|
|
|
|
pt.x = prcBounding->left + plv->ptOrigin.x;
|
|
pt.y = prcBounding->top + plv->ptOrigin.y;
|
|
*iMin = ListView_CalcHitSlot( plv, pt, cSlots );
|
|
|
|
pt.x = prcBounding->right + plv->ptOrigin.x;
|
|
pt.y = prcBounding->bottom + plv->ptOrigin.y;
|
|
*iMax = ListView_CalcHitSlot( plv, pt, cSlots ) + 1;
|
|
}
|
|
//-------------------------------------------------------------------
|
|
//
|
|
// Function: ListView_CalcHitSlot
|
|
//
|
|
// Summary: Given a point (relative to complete icon view), calculate
|
|
// which slot that point is closest to.
|
|
//
|
|
// Arguments:
|
|
// plv [in] - List view to work with
|
|
// pt [in] - location to check with
|
|
// cslot [in] - number of slots wide the current view is
|
|
//
|
|
// Notes: This does not guarentee that the point is hitting the item
|
|
// located at that slot. That should be checked by comparing rects.
|
|
//
|
|
// History:
|
|
// Nov-1-1994 MikeMi Added to improve Ownerdata hit testing
|
|
//
|
|
//-------------------------------------------------------------------
|
|
|
|
int ListView_CalcHitSlot( LV* plv, POINT pt, int cSlot )
|
|
{
|
|
int cxItem;
|
|
int cyItem;
|
|
int iSlot = 0;
|
|
|
|
ASSERT(plv);
|
|
|
|
if (cSlot < 1)
|
|
cSlot = 1;
|
|
|
|
if (ListView_IsSmallView(plv))
|
|
{
|
|
cxItem = plv->cxItem;
|
|
cyItem = plv->cyItem;
|
|
}
|
|
else
|
|
{
|
|
cxItem = lv_cxIconSpacing;
|
|
cyItem = lv_cyIconSpacing;
|
|
}
|
|
|
|
// Lets see which direction the view states
|
|
switch (plv->ci.style & LVS_ALIGNMASK)
|
|
{
|
|
case LVS_ALIGNBOTTOM:
|
|
// Assert False (Change default in shell2d.. to ALIGN_TOP)
|
|
|
|
case LVS_ALIGNTOP:
|
|
iSlot = (pt.x / cxItem) + (pt.y / cyItem) * cSlot;
|
|
break;
|
|
|
|
case LVS_ALIGNLEFT:
|
|
iSlot = (pt.x / cxItem) * cSlot + (pt.y / cyItem);
|
|
break;
|
|
|
|
case LVS_ALIGNRIGHT:
|
|
ASSERT(FALSE); // Not implemented yet...
|
|
break;
|
|
}
|
|
|
|
return( iSlot );
|
|
}
|
|
|
|
void _GetCurrentItemSize(LV* plv, int * pcx, int *pcy)
|
|
{
|
|
if (ListView_IsSmallView(plv))
|
|
{
|
|
*pcx = plv->cxItem;
|
|
*pcy = plv->cyItem;
|
|
}
|
|
else
|
|
{
|
|
*pcx = lv_cxIconSpacing;
|
|
*pcy = lv_cyIconSpacing;
|
|
}
|
|
}
|
|
|
|
DWORD ListView_IApproximateViewRect(LV* plv, int iCount, int iWidth, int iHeight)
|
|
{
|
|
int cxSave = plv->sizeClient.cx;
|
|
int cySave = plv->sizeClient.cy;
|
|
int cxItem;
|
|
int cyItem;
|
|
int cCols;
|
|
int cRows;
|
|
|
|
plv->sizeClient.cx = iWidth;
|
|
plv->sizeClient.cy = iHeight;
|
|
cCols = ListView_GetSlotCount(plv, TRUE);
|
|
|
|
plv->sizeClient.cx = cxSave;
|
|
plv->sizeClient.cy = cySave;
|
|
|
|
cCols = min(cCols, iCount);
|
|
if (cCols == 0)
|
|
cCols = 1;
|
|
cRows = (iCount + cCols - 1) / cCols;
|
|
|
|
if (plv->ci.style & (LVS_ALIGNLEFT | LVS_ALIGNRIGHT)) {
|
|
int c;
|
|
|
|
c = cCols;
|
|
cCols = cRows;
|
|
cRows = c;
|
|
}
|
|
|
|
_GetCurrentItemSize(plv, &cxItem, &cyItem);
|
|
|
|
iWidth = cCols * cxItem;
|
|
iHeight = cRows * cyItem;
|
|
|
|
return MAKELONG(iWidth + g_cxEdge, iHeight + g_cyEdge);
|
|
}
|
|
|
|
|
|
void NEAR _CalcSlotRect(LV* plv, LISTITEM *pItem, int iSlot, int cSlot, BOOL fBias, LPRECT lprc)
|
|
{
|
|
int cxItem, cyItem;
|
|
|
|
ASSERT(plv);
|
|
|
|
if (cSlot < 1)
|
|
cSlot = 1;
|
|
|
|
_GetCurrentItemSize(plv, &cxItem, &cyItem);
|
|
|
|
// Lets see which direction the view states
|
|
switch (plv->ci.style & LVS_ALIGNMASK)
|
|
{
|
|
case LVS_ALIGNBOTTOM:
|
|
// Assert False (Change default in shell2d.. to ALIGN_TOP)
|
|
|
|
case LVS_ALIGNTOP:
|
|
lprc->left = (iSlot % cSlot) * cxItem;
|
|
lprc->top = (iSlot / cSlot) * cyItem;
|
|
break;
|
|
|
|
case LVS_ALIGNRIGHT:
|
|
RIPMSG(0, "LVM_ARRANGE: Invalid listview icon arrangement style");
|
|
// ASSERT(FALSE); // Not implemented yet...
|
|
// fall through, use LVS_ALIGNLEFT instead
|
|
|
|
case LVS_ALIGNLEFT:
|
|
lprc->top = (iSlot % cSlot) * cyItem;
|
|
lprc->left = (iSlot / cSlot) * cxItem;
|
|
break;
|
|
|
|
}
|
|
|
|
if (fBias)
|
|
{
|
|
lprc->left -= plv->ptOrigin.x;
|
|
lprc->top -= plv->ptOrigin.y;
|
|
}
|
|
lprc->bottom = lprc->top + cyItem;
|
|
lprc->right = lprc->left + cxItem;
|
|
|
|
// Multi-Workarea case offset from the workarea coordinate to the whole
|
|
// listview coordinate.
|
|
if (plv->nWorkAreas > 0)
|
|
{
|
|
ASSERT(pItem);
|
|
ASSERT(pItem->iWorkArea < plv->nWorkAreas);
|
|
OffsetRect(lprc, plv->prcWorkAreas[pItem->iWorkArea].left, plv->prcWorkAreas[pItem->iWorkArea].top);
|
|
}
|
|
}
|
|
|
|
// Intersect this rectangle with all items in this listview except myself,
|
|
// this will determine if this rectangle overlays any icons.
|
|
BOOL NEAR ListView_IsCleanRect(LV * plv, RECT * prc, int iExcept, BOOL * pfUpdate, HDC hdc)
|
|
{
|
|
int j;
|
|
RECT rc;
|
|
int cItems = ListView_Count(plv);
|
|
for (j = cItems; j-- > 0; )
|
|
{
|
|
if (j == iExcept)
|
|
continue;
|
|
else
|
|
{
|
|
LISTITEM FAR* pitem = ListView_FastGetItemPtr(plv, j);
|
|
if (pitem->pt.y != RECOMPUTE)
|
|
{
|
|
// If the dimensions aren't computed, then do it now.
|
|
//
|
|
if (pitem->cyFoldedLabel == SRECOMPUTE)
|
|
{
|
|
ListView_RecomputeLabelSize(plv, pitem, j, hdc, FALSE);
|
|
|
|
// Ensure that the item gets redrawn...
|
|
//
|
|
ListView_InvalidateItem(plv, j, FALSE, RDW_INVALIDATE | RDW_ERASE);
|
|
|
|
// Set flag indicating that scroll bars need to be
|
|
// adjusted.
|
|
//
|
|
if (LV_IsItemOnViewEdge(plv, pitem))
|
|
*pfUpdate = TRUE;
|
|
}
|
|
|
|
|
|
ListView_GetRects(plv, j, NULL, NULL, &rc, NULL);
|
|
|
|
if (IntersectRect(&rc, &rc, prc))
|
|
return FALSE;
|
|
}
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
// Find an icon slot that doesn't intersect an icon.
|
|
// Start search for free slot from slot i.
|
|
//
|
|
int NEAR ListView_FindFreeSlot(LV* plv, int iItem, int i, int cSlot, BOOL FAR* pfUpdate,
|
|
BOOL FAR *pfAppend, HDC hdc)
|
|
{
|
|
RECT rcSlot;
|
|
RECT rcItem;
|
|
RECT rc;
|
|
LISTITEM FAR * pItemLooking = ListView_FastGetItemPtr(plv, iItem);
|
|
|
|
ASSERT(!ListView_IsOwnerData( plv ));
|
|
|
|
// Horrible N-squared algorithm:
|
|
// enumerate each slot and see if any items intersect it.
|
|
//
|
|
// REVIEW: This is really slow with long lists (e.g., 1000)
|
|
//
|
|
|
|
//
|
|
// If the Append at end is set, we should be able to simply get the
|
|
// rectangle of the i-1 element and check against it instead of
|
|
// looking at every other item...
|
|
//
|
|
if (*pfAppend)
|
|
{
|
|
int iPrev = iItem - 1;
|
|
// Be carefull about going of the end of the list. (i is a slot
|
|
// number not an item index).
|
|
|
|
if (plv->nWorkAreas > 0)
|
|
{
|
|
while (iPrev >= 0)
|
|
{
|
|
LISTITEM FAR * pPrev = ListView_FastGetItemPtr(plv, iPrev);
|
|
if (pPrev->iWorkArea == pItemLooking->iWorkArea)
|
|
break;
|
|
iPrev--;
|
|
}
|
|
}
|
|
|
|
if (iPrev >= 0)
|
|
ListView_GetRects(plv, iPrev, NULL, NULL, &rcItem, NULL);
|
|
else
|
|
SetRect(&rcItem, 0, 0, 0, 0);
|
|
}
|
|
|
|
for ( ; ; i++)
|
|
{
|
|
// Compute view-relative slot rectangle...
|
|
//
|
|
_CalcSlotRect(plv, pItemLooking, i, cSlot, TRUE, &rcSlot);
|
|
|
|
if (*pfAppend)
|
|
{
|
|
if (!IntersectRect(&rc, &rcItem, &rcSlot)) {
|
|
return i; // Found a free slot...
|
|
}
|
|
}
|
|
|
|
if (ListView_IsCleanRect(plv, &rcSlot, iItem, pfUpdate, hdc))
|
|
break;
|
|
}
|
|
|
|
return i;
|
|
}
|
|
|
|
// Recompute an item's label size (cxLabel/cyLabel). For speed, this function
|
|
// is passed a DC to use for text measurement.
|
|
//
|
|
// If hdc is NULL, then this function will create and initialize a temporary
|
|
// DC, then destroy it. If hdc is non-NULL, then it is assumed to have
|
|
// the correct font already selected into it.
|
|
//
|
|
// fUsepitem means not to use the text of the item. Instead, use the text
|
|
// pointed to by the pitem structure. This is used in two cases.
|
|
//
|
|
// - Ownerdata, because we don't have a real pitem.
|
|
// - Regulardata, where we already found the pitem text (as an optimizatin)
|
|
//
|
|
void NEAR ListView_RecomputeLabelSize(LV* plv, LISTITEM FAR* pitem, int i, HDC hdc, BOOL fUsepitem)
|
|
{
|
|
TCHAR szLabel[CCHLABELMAX + 4];
|
|
TCHAR szLabelFolded[ARRAYSIZE(szLabel) + CCHELLIPSES + CCHELLIPSES];
|
|
int cchLabel;
|
|
RECT rcSingle, rcFolded, rcUnfolded;
|
|
LVFAKEDRAW lvfd;
|
|
LV_ITEM item;
|
|
|
|
ASSERT(plv);
|
|
|
|
// the following will use the passed in pitem text instead of calling
|
|
// GetItem. This would be two consecutive calls otherwise, in some cases.
|
|
//
|
|
if (fUsepitem && (pitem->pszText != LPSTR_TEXTCALLBACK))
|
|
{
|
|
Str_GetPtr0(pitem->pszText, szLabel, ARRAYSIZE(szLabel));
|
|
item.lParam = pitem->lParam;
|
|
}
|
|
else
|
|
{
|
|
item.mask = LVIF_TEXT | LVIF_PARAM;
|
|
item.iItem = i;
|
|
item.iSubItem = 0;
|
|
item.pszText = szLabel;
|
|
item.cchTextMax = ARRAYSIZE(szLabel);
|
|
item.stateMask = 0;
|
|
szLabel[0] = TEXT('\0'); // In case the OnGetItem fails
|
|
ListView_OnGetItem(plv, &item);
|
|
|
|
if (!item.pszText)
|
|
{
|
|
SetRectEmpty(&rcSingle);
|
|
rcFolded = rcSingle;
|
|
rcUnfolded = rcSingle;
|
|
goto Exit;
|
|
}
|
|
|
|
if (item.pszText != szLabel)
|
|
{
|
|
StringCchCopy(szLabel, ARRAYSIZE(szLabel), item.pszText);
|
|
}
|
|
}
|
|
|
|
cchLabel = lstrlen(szLabel);
|
|
|
|
rcUnfolded.left = rcUnfolded.top = rcUnfolded.bottom = 0;
|
|
rcUnfolded.right = lv_cxIconSpacing - g_cxLabelMargin * 2;
|
|
rcSingle = rcUnfolded;
|
|
rcFolded = rcUnfolded;
|
|
|
|
if (cchLabel > 0)
|
|
{
|
|
UINT flags;
|
|
|
|
if (!hdc) { // Set up fake customdraw
|
|
ListView_BeginFakeCustomDraw(plv, &lvfd, &item);
|
|
ListView_BeginFakeItemDraw(&lvfd);
|
|
} else
|
|
lvfd.nmcd.nmcd.hdc = hdc; // Use the one the app gave us
|
|
|
|
DrawText(lvfd.nmcd.nmcd.hdc, szLabel, cchLabel, &rcSingle, (DT_LV | DT_CALCRECT));
|
|
|
|
if (plv->ci.style & LVS_NOLABELWRAP) {
|
|
flags = DT_LV | DT_CALCRECT;
|
|
} else {
|
|
flags = DT_LVWRAP | DT_CALCRECT;
|
|
// We only use DT_NOFULLWIDTHCHARBREAK on Korean(949) Memphis and NT5
|
|
if (949 == g_uiACP && (g_bRunOnNT5 || g_bRunOnMemphis))
|
|
flags |= DT_NOFULLWIDTHCHARBREAK;
|
|
}
|
|
|
|
DrawText(lvfd.nmcd.nmcd.hdc, szLabel, cchLabel, &rcUnfolded, flags);
|
|
|
|
//
|
|
// DrawText with DT_MODIFYSTRING is quirky when you enable
|
|
// word ellipses. Once it finds anything that requires ellipses,
|
|
// it stops and doesn't return anything else (even if those other
|
|
// things got displayed).
|
|
//
|
|
StringCchCopy(szLabelFolded, ARRAYSIZE(szLabelFolded), szLabel);
|
|
DrawText(lvfd.nmcd.nmcd.hdc, szLabelFolded, cchLabel, &rcFolded, flags | DT_WORD_ELLIPSIS | DT_MODIFYSTRING);
|
|
|
|
// If we had to ellipsify, but you can't tell from looking at the
|
|
// rcFolded.bottom and rcUnfolded.bottom, then tweak rcFolded.bottom
|
|
// so the unfoldifier knows that unfolding is worthwhile.
|
|
if (rcFolded.bottom == rcUnfolded.bottom &&
|
|
lstrcmp(szLabel, szLabelFolded))
|
|
{
|
|
// The actual value isn't important, as long as it's greater
|
|
// than rcUnfolded.bottom and CLIP_HEIGHT. We take advantage
|
|
// of the fact that CLIP_HEIGHT is only two lines, so the only
|
|
// problem case is where you have a two-line item and only the
|
|
// first line is ellipsified.
|
|
rcFolded.bottom++;
|
|
}
|
|
|
|
if (!hdc) { // Clean up fake customdraw
|
|
ListView_EndFakeItemDraw(&lvfd);
|
|
ListView_EndFakeCustomDraw(&lvfd);
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
rcFolded.bottom = rcUnfolded.bottom = rcUnfolded.top + plv->cyLabelChar;
|
|
}
|
|
|
|
Exit:
|
|
|
|
if (pitem) {
|
|
int cyEdge;
|
|
pitem->cxSingleLabel = (short)((rcSingle.right - rcSingle.left) + 2 * g_cxLabelMargin);
|
|
pitem->cxMultiLabel = (short)((rcUnfolded.right - rcUnfolded.left) + 2 * g_cxLabelMargin);
|
|
|
|
cyEdge = (plv->ci.style & LVS_NOLABELWRAP) ? 0 : g_cyEdge;
|
|
|
|
pitem->cyFoldedLabel = (short)((rcFolded.bottom - rcFolded.top) + cyEdge);
|
|
pitem->cyUnfoldedLabel = (short)((rcUnfolded.bottom - rcUnfolded.top) + cyEdge);
|
|
}
|
|
|
|
}
|
|
|
|
// Set up an icon slot position. Returns FALSE if position didn't change.
|
|
//
|
|
BOOL NEAR ListView_SetIconPos(LV* plv, LISTITEM FAR* pitem, int iSlot, int cSlot)
|
|
{
|
|
RECT rc;
|
|
|
|
ASSERT(plv);
|
|
|
|
//
|
|
// Sort of a hack, this internal function return TRUE if small icon.
|
|
|
|
_CalcSlotRect(plv, pitem, iSlot, cSlot, FALSE, &rc);
|
|
|
|
if (ListView_IsIconView(plv))
|
|
{
|
|
rc.left += ((lv_cxIconSpacing - plv->cxIcon) / 2);
|
|
rc.top += g_cyIconOffset;
|
|
}
|
|
|
|
if (rc.left != pitem->pt.x || rc.top != pitem->pt.y)
|
|
{
|
|
LV_AdjustViewRectOnMove(plv, pitem, rc.left, rc.top);
|
|
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
void NEAR ListView_GetViewRect2(LV* plv, RECT FAR* prcView, int cx, int cy)
|
|
{
|
|
|
|
if (plv->rcView.left == RECOMPUTE)
|
|
ListView_Recompute(plv);
|
|
|
|
*prcView = plv->rcView;
|
|
|
|
//
|
|
// Offsets for scrolling.
|
|
//
|
|
OffsetRect(prcView, -plv->ptOrigin.x, -plv->ptOrigin.y);
|
|
|
|
if (ListView_IsIconView(plv) || ListView_IsSmallView(plv))
|
|
{
|
|
// don't do that funky half-re-origining thing.
|
|
|
|
RECT rc;
|
|
|
|
rc.left = 0;
|
|
rc.top = 0;
|
|
rc.right = cx;
|
|
rc.bottom = cy;
|
|
UnionRect(prcView, prcView, &rc);
|
|
}
|
|
}
|
|
|
|
// prcViewRect used only if fSubScroll is TRUE
|
|
DWORD NEAR ListView_GetClientRect(LV* plv, RECT FAR* prcClient, BOOL fSubScroll, RECT FAR *prcViewRect)
|
|
{
|
|
RECT rcClient;
|
|
RECT rcView;
|
|
DWORD style;
|
|
|
|
#if 1
|
|
// do this instead of the #else below because
|
|
// in new versus old apps, you may need to add in g_c?Border because of
|
|
// the one pixel overlap...
|
|
GetWindowRect(plv->ci.hwnd, &rcClient);
|
|
if (GetWindowLong(plv->ci.hwnd, GWL_EXSTYLE) & (WS_EX_CLIENTEDGE | WS_EX_STATICEDGE | WS_EX_WINDOWEDGE)) {
|
|
rcClient.right -= 2 * g_cxEdge;
|
|
rcClient.bottom -= 2 * g_cyEdge;
|
|
}
|
|
rcClient.right -= rcClient.left;
|
|
rcClient.bottom -= rcClient.top;
|
|
if (rcClient.right < 0)
|
|
rcClient.right = 0;
|
|
if (rcClient.bottom < 0)
|
|
rcClient.bottom = 0;
|
|
rcClient.top = rcClient.left = 0;
|
|
#else
|
|
style = ListView_GetWindowStyle(plv);
|
|
GetClientRect(plv->ci.hwnd, &rcClient);
|
|
if (style & WS_VSCROLL)
|
|
rcClient.right += ListView_GetCxScrollbar(plv);
|
|
if (style & WS_HSCROLL)
|
|
rcClient.bottom += ListView_GetCyScrollbar(plv);
|
|
#endif
|
|
|
|
style = 0L;
|
|
if (fSubScroll)
|
|
{
|
|
ListView_GetViewRect2(plv, &rcView, 0, 0);
|
|
if ((rcClient.left < rcClient.right) && (rcClient.top < rcClient.bottom))
|
|
{
|
|
do
|
|
{
|
|
if (!(style & WS_HSCROLL) &&
|
|
(rcView.left < rcClient.left || rcView.right > rcClient.right))
|
|
{
|
|
style |= WS_HSCROLL;
|
|
rcClient.bottom -= ListView_GetCyScrollbar(plv); // BUGBUG what if not SB yet?
|
|
}
|
|
if (!(style & WS_VSCROLL) &&
|
|
(rcView.top < rcClient.top || rcView.bottom > rcClient.bottom))
|
|
{
|
|
style |= WS_VSCROLL;
|
|
rcClient.right -= ListView_GetCxScrollbar(plv);
|
|
}
|
|
}
|
|
while (!(style & WS_HSCROLL) && rcView.right > rcClient.right);
|
|
}
|
|
if (prcViewRect)
|
|
*prcViewRect = rcView;
|
|
}
|
|
*prcClient = rcClient;
|
|
return style;
|
|
}
|
|
|
|
int CALLBACK ArrangeIconCompare(LISTITEM FAR* pitem1, LISTITEM FAR* pitem2, LPARAM lParam)
|
|
{
|
|
int v1, v2;
|
|
|
|
// REVIEW: lParam can be 0 and we fault ... bug in caller, but we might want to be robust here.
|
|
|
|
if (HIWORD(lParam))
|
|
{
|
|
// Vertical arrange
|
|
v1 = pitem1->pt.x / GET_X_LPARAM(lParam);
|
|
v2 = pitem2->pt.x / GET_X_LPARAM(lParam);
|
|
|
|
if (v1 > v2)
|
|
return 1;
|
|
else if (v1 < v2)
|
|
return -1;
|
|
else
|
|
{
|
|
int y1 = pitem1->pt.y;
|
|
int y2 = pitem2->pt.y;
|
|
|
|
if (y1 > y2)
|
|
return 1;
|
|
else if (y1 < y2)
|
|
return -1;
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
v1 = pitem1->pt.y / (int)lParam;
|
|
v2 = pitem2->pt.y / (int)lParam;
|
|
|
|
if (v1 > v2)
|
|
return 1;
|
|
else if (v1 < v2)
|
|
return -1;
|
|
else
|
|
{
|
|
int x1 = pitem1->pt.x;
|
|
int x2 = pitem2->pt.x;
|
|
|
|
if (x1 > x2)
|
|
return 1;
|
|
else if (x1 < x2)
|
|
return -1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void NEAR PASCAL _ListView_GetRectsFromItem(LV* plv, BOOL bSmallIconView,
|
|
LISTITEM FAR *pitem,
|
|
LPRECT prcIcon, LPRECT prcLabel, LPRECT prcBounds, LPRECT prcSelectBounds)
|
|
{
|
|
RECT rcIcon;
|
|
RECT rcLabel;
|
|
|
|
if (!prcIcon)
|
|
prcIcon = &rcIcon;
|
|
if (!prcLabel)
|
|
prcLabel = &rcLabel;
|
|
|
|
// Test for NULL item passed in
|
|
if (pitem)
|
|
{
|
|
// This routine is called during ListView_Recompute(), while
|
|
// plv->rcView.left may still be == RECOMPUTE. So, we can't
|
|
// test that to see if recomputation is needed.
|
|
//
|
|
if (pitem->pt.y == RECOMPUTE || pitem->cyFoldedLabel == SRECOMPUTE)
|
|
ListView_Recompute(plv);
|
|
|
|
if (bSmallIconView)
|
|
ListView_SGetRects(plv, pitem, prcIcon, prcLabel, prcBounds);
|
|
else
|
|
// ListView_IGetRects already refolds as necessary
|
|
ListView_IGetRects(plv, pitem, prcIcon, prcLabel, prcBounds);
|
|
|
|
if (prcBounds)
|
|
{
|
|
UnionRect(prcBounds, prcIcon, prcLabel);
|
|
if (plv->himlState && (LV_StateImageValue(pitem)))
|
|
{
|
|
prcBounds->left -= plv->cxState;
|
|
}
|
|
}
|
|
|
|
} else {
|
|
SetRectEmpty(prcIcon);
|
|
*prcLabel = *prcIcon;
|
|
if (prcBounds)
|
|
*prcBounds = *prcIcon;
|
|
}
|
|
|
|
if (prcSelectBounds)
|
|
{
|
|
UnionRect(prcSelectBounds, prcIcon, prcLabel);
|
|
}
|
|
}
|
|
|
|
void NEAR _ListView_InvalidateItemPtr(LV* plv, BOOL bSmallIcon, LISTITEM FAR *pitem, UINT fRedraw)
|
|
{
|
|
RECT rcBounds;
|
|
|
|
ASSERT( !ListView_IsOwnerData( plv ));
|
|
|
|
_ListView_GetRectsFromItem(plv, bSmallIcon, pitem, NULL, NULL, &rcBounds, NULL);
|
|
RedrawWindow(plv->ci.hwnd, &rcBounds, NULL, fRedraw);
|
|
}
|
|
|
|
// return TRUE if things still overlap
|
|
// this only happens if we tried to unstack things, and there was NOSCROLL set and
|
|
// items tried to go off the deep end
|
|
BOOL NEAR PASCAL ListView_IUnstackOverlaps(LV* plv, HDPA hdpaSort, int iDirection)
|
|
{
|
|
BOOL fRet = FALSE;
|
|
int i;
|
|
int iCount;
|
|
BOOL bSmallIconView;
|
|
RECT rcItem, rcItem2, rcTemp;
|
|
int cxItem, cyItem;
|
|
LISTITEM FAR* pitem;
|
|
LISTITEM FAR* pitem2;
|
|
|
|
ASSERT( !ListView_IsOwnerData( plv ) );
|
|
|
|
if (bSmallIconView = ListView_IsSmallView(plv))
|
|
{
|
|
cxItem = plv->cxItem;
|
|
cyItem = plv->cyItem;
|
|
}
|
|
else
|
|
{
|
|
cxItem = lv_cxIconSpacing;
|
|
cyItem = lv_cyIconSpacing;
|
|
}
|
|
iCount = ListView_Count(plv);
|
|
|
|
// finally, unstack any overlaps
|
|
for (i = 0 ; i < iCount ; i++) {
|
|
int j;
|
|
pitem = DPA_GetPtr(hdpaSort, i);
|
|
|
|
if (bSmallIconView) {
|
|
_ListView_GetRectsFromItem(plv, bSmallIconView, pitem, NULL, NULL, &rcItem, NULL);
|
|
}
|
|
|
|
// move all the items that overlap with us
|
|
for (j = i+1 ; j < iCount; j++) {
|
|
POINT ptOldPos;
|
|
|
|
pitem2 = DPA_GetPtr(hdpaSort, j);
|
|
ptOldPos = pitem2->pt;
|
|
|
|
if (bSmallIconView) {
|
|
|
|
// for small icons, we need to do an intersect rect
|
|
_ListView_GetRectsFromItem(plv, bSmallIconView, pitem2, NULL, NULL, &rcItem2, NULL);
|
|
|
|
if (IntersectRect(&rcTemp, &rcItem, &rcItem2)) {
|
|
// yes, it intersects. move it out
|
|
_ListView_InvalidateItemPtr(plv, bSmallIconView, pitem2, RDW_INVALIDATE| RDW_ERASE);
|
|
do {
|
|
pitem2->pt.x += (cxItem * iDirection);
|
|
} while (PtInRect(&rcItem, pitem2->pt));
|
|
} else {
|
|
// no more intersect!
|
|
break;
|
|
}
|
|
|
|
} else {
|
|
// for large icons, just find the ones that share the x,y;
|
|
if (pitem2->pt.x == pitem->pt.x && pitem2->pt.y == pitem->pt.y) {
|
|
|
|
_ListView_InvalidateItemPtr(plv, bSmallIconView, pitem2, RDW_INVALIDATE| RDW_ERASE);
|
|
pitem2->pt.x += (cxItem * iDirection);
|
|
} else {
|
|
// no more intersect!
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (plv->ci.style & LVS_NOSCROLL) {
|
|
if (pitem2->pt.x < 0 || pitem2->pt.y < 0 ||
|
|
pitem2->pt.x > (plv->sizeClient.cx - (cxItem/2))||
|
|
pitem2->pt.y > (plv->sizeClient.cy - (cyItem/2))) {
|
|
pitem2->pt = ptOldPos;
|
|
fRet = TRUE;
|
|
}
|
|
}
|
|
|
|
// invalidate the new position as well
|
|
_ListView_InvalidateItemPtr(plv, bSmallIconView, pitem2, RDW_INVALIDATE| RDW_ERASE);
|
|
}
|
|
}
|
|
return fRet;
|
|
}
|
|
|
|
|
|
BOOL NEAR PASCAL ListView_SnapToGrid(LV* plv, HDPA hdpaSort)
|
|
{
|
|
// this algorithm can't fit in the structure of the other
|
|
// arrange loop without becoming n^2 or worse.
|
|
// this algorithm is order n.
|
|
|
|
// iterate through and snap to the nearest grid.
|
|
// iterate through and push aside overlaps.
|
|
|
|
int i;
|
|
int iCount;
|
|
LPARAM xySpacing;
|
|
int x,y;
|
|
LISTITEM FAR* pitem;
|
|
BOOL bSmallIconView;
|
|
int cxItem, cyItem;
|
|
|
|
ASSERT( !ListView_IsOwnerData( plv ) );
|
|
|
|
if (bSmallIconView = ListView_IsSmallView(plv))
|
|
{
|
|
cxItem = plv->cxItem;
|
|
cyItem = plv->cyItem;
|
|
}
|
|
else
|
|
{
|
|
cxItem = lv_cxIconSpacing;
|
|
cyItem = lv_cyIconSpacing;
|
|
}
|
|
|
|
|
|
iCount = ListView_Count(plv);
|
|
|
|
// first snap to nearest grid
|
|
for (i = 0; i < iCount; i++) {
|
|
pitem = DPA_GetPtr(hdpaSort, i);
|
|
|
|
x = pitem->pt.x;
|
|
y = pitem->pt.y;
|
|
|
|
if (!bSmallIconView) {
|
|
x -= ((lv_cxIconSpacing - plv->cxIcon) / 2);
|
|
y -= g_cyIconOffset;
|
|
}
|
|
|
|
NearestSlot(&x,&y, cxItem, cyItem, (plv->nWorkAreas > 0) ? &(plv->prcWorkAreas[pitem->iWorkArea]) : NULL);
|
|
if (!bSmallIconView) {
|
|
x += ((lv_cxIconSpacing - plv->cxIcon) / 2);
|
|
y += g_cyIconOffset;
|
|
}
|
|
|
|
if (x != pitem->pt.x || y != pitem->pt.y) {
|
|
_ListView_InvalidateItemPtr(plv, bSmallIconView, pitem, RDW_INVALIDATE| RDW_ERASE);
|
|
if ((plv->ci.style & LVS_NOSCROLL) && (plv->nWorkAreas == 0)) {
|
|
|
|
// if it's marked noscroll, make sure it's still on the client region
|
|
while (x >= (plv->sizeClient.cx - (cxItem/2)))
|
|
x -= cxItem;
|
|
|
|
while (x < 0)
|
|
x += cxItem;
|
|
|
|
while (y >= (plv->sizeClient.cy - (cyItem/2)))
|
|
y -= cyItem;
|
|
|
|
while (y < 0)
|
|
y += cyItem;
|
|
}
|
|
pitem->pt.x = x;
|
|
pitem->pt.y = y;
|
|
plv->iFreeSlot = -1; // The "free slot" cache is no good once an item moves
|
|
|
|
_ListView_InvalidateItemPtr(plv, bSmallIconView, pitem, RDW_INVALIDATE| RDW_ERASE);
|
|
}
|
|
}
|
|
|
|
// now resort the dpa
|
|
switch (plv->ci.style & LVS_ALIGNMASK)
|
|
{
|
|
case LVS_ALIGNLEFT:
|
|
case LVS_ALIGNRIGHT:
|
|
xySpacing = MAKELONG(bSmallIconView ? plv->cxItem : lv_cxIconSpacing, TRUE);
|
|
break;
|
|
default:
|
|
xySpacing = MAKELONG(bSmallIconView ? plv->cyItem : lv_cyIconSpacing, FALSE);
|
|
}
|
|
|
|
if (!DPA_Sort(hdpaSort, ArrangeIconCompare, xySpacing))
|
|
return FALSE;
|
|
|
|
|
|
// go in one direction, if there are still overlaps, go in the other
|
|
// direction as well
|
|
if (ListView_IUnstackOverlaps(plv, hdpaSort, 1))
|
|
ListView_IUnstackOverlaps(plv, hdpaSort, -1);
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
BOOL NEAR ListView_OnArrange(LV* plv, UINT style)
|
|
{
|
|
BOOL bSmallIconView;
|
|
LPARAM xySpacing;
|
|
HDPA hdpaSort = NULL;
|
|
|
|
bSmallIconView = ListView_IsSmallView(plv);
|
|
|
|
if (!bSmallIconView && !ListView_IsIconView(plv)) {
|
|
return FALSE;
|
|
}
|
|
|
|
if (ListView_IsOwnerData( plv ))
|
|
{
|
|
if ( style & (LVA_SNAPTOGRID | LVA_SORTASCENDING | LVA_SORTDESCENDING) )
|
|
{
|
|
RIPMSG(0, "LVM_ARRANGE: Cannot combine LVA_SNAPTOGRID or LVA_SORTxxx with owner-data");
|
|
return( FALSE );
|
|
}
|
|
}
|
|
|
|
// Make sure our items have positions and their text rectangles
|
|
// caluculated
|
|
if (plv->rcView.left == RECOMPUTE)
|
|
ListView_Recompute(plv);
|
|
|
|
if (!ListView_IsOwnerData( plv ))
|
|
{
|
|
// we clone plv->hdpa so we don't blow away indices that
|
|
// apps have saved away.
|
|
// we sort here to make the nested for loop below more bearable.
|
|
hdpaSort = DPA_Clone(plv->hdpa, NULL);
|
|
|
|
if (!hdpaSort)
|
|
return FALSE;
|
|
}
|
|
switch (plv->ci.style & LVS_ALIGNMASK)
|
|
{
|
|
case LVS_ALIGNLEFT:
|
|
case LVS_ALIGNRIGHT:
|
|
xySpacing = MAKELONG(bSmallIconView ? plv->cxItem : lv_cxIconSpacing, TRUE);
|
|
break;
|
|
default:
|
|
xySpacing = MAKELONG(bSmallIconView ? plv->cyItem : lv_cyIconSpacing, FALSE);
|
|
}
|
|
|
|
if (ListView_IsOwnerData( plv ))
|
|
{
|
|
ListView_CommonArrange(plv, style, NULL);
|
|
}
|
|
else
|
|
{
|
|
if (!DPA_Sort(hdpaSort, ArrangeIconCompare, xySpacing))
|
|
return FALSE;
|
|
|
|
ListView_CommonArrange(plv, style, hdpaSort);
|
|
|
|
DPA_Destroy(hdpaSort);
|
|
}
|
|
|
|
MyNotifyWinEvent(EVENT_OBJECT_REORDER, plv->ci.hwnd, OBJID_CLIENT, 0);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
// Arrange the icons given a sorted hdpa, and arrange them in the sub workareas
|
|
BOOL NEAR ListView_CommonArrangeEx(LV* plv, UINT style, HDPA hdpaSort, int iWorkArea)
|
|
{
|
|
int iSlot;
|
|
int iItem;
|
|
int cSlots;
|
|
int cWorkAreaSlots[LV_MAX_WORKAREAS];
|
|
BOOL fItemMoved;
|
|
RECT rcLastItem;
|
|
RECT rcSlot;
|
|
RECT rcT;
|
|
BOOL bSmallIconView;
|
|
BOOL bIconView;
|
|
int xMin = 0;
|
|
|
|
bSmallIconView = ListView_IsSmallView(plv);
|
|
bIconView = ListView_IsIconView(plv);
|
|
|
|
//
|
|
// when this is an autoarrange, then we dont need to worry about
|
|
// scrolling the origin, because we are going to arrange everything
|
|
// around the positive side of the origin
|
|
//
|
|
if (LVA_DEFAULT == style && (plv->ci.style & LVS_AUTOARRANGE))
|
|
{
|
|
if (plv->ptOrigin.x < 0)
|
|
plv->ptOrigin.x = 0;
|
|
if (plv->ptOrigin.y < 0)
|
|
plv->ptOrigin.y = 0;
|
|
}
|
|
|
|
// REVIEW, this causes a repaint if we are scrollled
|
|
// we can probably avoid this some how
|
|
|
|
fItemMoved = (plv->ptOrigin.x != 0) || (plv->ptOrigin.y != 0);
|
|
|
|
if (!ListView_IsOwnerData( plv ))
|
|
{
|
|
if (style == LVA_SNAPTOGRID) {
|
|
// (dli) This function is fitting all the icons into just one rectangle,
|
|
// namely sizeClient. We need to make it multi-workarea aware if we want
|
|
// multi-workarea for the general case (i.e. other than just the desktop)
|
|
// This is never called in the desktop case.
|
|
fItemMoved |= ListView_SnapToGrid(plv, hdpaSort);
|
|
|
|
} else {
|
|
if (plv->nWorkAreas > 0)
|
|
{
|
|
int i;
|
|
for (i = 0; i < plv->nWorkAreas; i++)
|
|
cWorkAreaSlots[i] = ListView_GetSlotCountEx(plv, TRUE, i);
|
|
}
|
|
else
|
|
cSlots = ListView_GetSlotCount(plv, TRUE);
|
|
|
|
|
|
SetRectEmpty(&rcLastItem);
|
|
|
|
// manipulate only the sorted version of the item list below!
|
|
|
|
iSlot = 0;
|
|
for (iItem = 0; iItem < ListView_Count(plv); iItem++)
|
|
{
|
|
int cRealSlots;
|
|
RECT rcIcon, rcLabel;
|
|
LISTITEM FAR* pitem = DPA_GetPtr(hdpaSort, iItem);
|
|
// (dli) In the multi-workarea case, if this item is not in our
|
|
// workarea, skip it.
|
|
if (pitem->iWorkArea != iWorkArea)
|
|
continue;
|
|
|
|
cRealSlots = (plv->nWorkAreas > 0) ? cWorkAreaSlots[pitem->iWorkArea] : cSlots;
|
|
|
|
if (bSmallIconView || bIconView)
|
|
{
|
|
for ( ; ; )
|
|
{
|
|
_CalcSlotRect(plv, pitem, iSlot, cRealSlots, FALSE, &rcSlot);
|
|
if (!IntersectRect(&rcT, &rcSlot, &rcLastItem))
|
|
break;
|
|
iSlot++;
|
|
}
|
|
}
|
|
|
|
fItemMoved |= ListView_SetIconPos(plv, pitem, iSlot++, cRealSlots);
|
|
|
|
// do this instead of ListView_GetRects() because we need
|
|
// to use the pitem from the sorted hdpa, not the ones in *plv
|
|
_ListView_GetRectsFromItem(plv, bSmallIconView, pitem, &rcIcon, &rcLabel, &rcLastItem, NULL);
|
|
// f-n above will return unfolded rects if there are any, we must make sure
|
|
// we use folded ones for slot allocations
|
|
if (bIconView)
|
|
{
|
|
if (ListView_IsItemUnfoldedPtr(plv, pitem))
|
|
{
|
|
ListView_RefoldLabelRect(plv, &rcLabel, pitem);
|
|
UnionRect(&rcLastItem, &rcIcon, &rcLabel);
|
|
if (plv->himlState && (LV_StateImageValue(pitem)))
|
|
rcLastItem.left -= plv->cxState;
|
|
}
|
|
}
|
|
//
|
|
// Keep track of the minimum x as we don't want negative values
|
|
// when we finish.
|
|
if (rcLastItem.left < xMin)
|
|
xMin = rcLastItem.left;
|
|
}
|
|
|
|
//
|
|
// See if we need to scroll the items over to make sure that all of the
|
|
// no items are hanging off the left hand side.
|
|
//
|
|
if (xMin < 0)
|
|
{
|
|
for (iItem = 0; iItem < ListView_Count(plv); iItem++)
|
|
{
|
|
LISTITEM FAR* pitem = ListView_FastGetItemPtr(plv, iItem);
|
|
pitem->pt.x -= xMin; // scroll them over
|
|
}
|
|
plv->rcView.left = RECOMPUTE; // need to recompute.
|
|
fItemMoved = TRUE;
|
|
}
|
|
}
|
|
}
|
|
//
|
|
// We might as well invalidate the entire window to make sure...
|
|
if (fItemMoved) {
|
|
if (ListView_RedrawEnabled(plv))
|
|
RedrawWindow(plv->ci.hwnd, NULL, NULL, RDW_INVALIDATE | RDW_ERASE);
|
|
else {
|
|
ListView_DeleteHrgnInval(plv);
|
|
plv->hrgnInval = (HRGN)ENTIRE_REGION;
|
|
plv->flags |= LVF_ERASE;
|
|
}
|
|
|
|
// ensure important items are visible
|
|
iItem = (plv->iFocus >= 0) ? plv->iFocus : ListView_OnGetNextItem(plv, -1, LVNI_SELECTED);
|
|
|
|
if (iItem >= 0)
|
|
ListView_OnEnsureVisible(plv, iItem, FALSE);
|
|
|
|
if (ListView_RedrawEnabled(plv))
|
|
ListView_UpdateScrollBars(plv);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
// this arranges the icon given a sorted hdpa.
|
|
// Arrange the workareas one by one in the multi-workarea case.
|
|
BOOL NEAR ListView_CommonArrange(LV* plv, UINT style, HDPA hdpaSort)
|
|
{
|
|
if (plv->nWorkAreas < 1)
|
|
{
|
|
if (plv->exStyle & LVS_EX_MULTIWORKAREAS)
|
|
return TRUE;
|
|
else
|
|
return ListView_CommonArrangeEx(plv, style, hdpaSort, 0);
|
|
}
|
|
else
|
|
{
|
|
int i;
|
|
for (i = 0; i < plv->nWorkAreas; i++)
|
|
ListView_CommonArrangeEx(plv, style, hdpaSort, i);
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
void NEAR ListView_IUpdateScrollBars(LV* plv)
|
|
{
|
|
RECT rcClient;
|
|
RECT rcView;
|
|
DWORD style;
|
|
DWORD styleOld;
|
|
SCROLLINFO si;
|
|
int ixDelta = 0, iyDelta = 0;
|
|
int iNewPos;
|
|
BOOL fReupdate = FALSE;
|
|
|
|
styleOld = ListView_GetWindowStyle(plv);
|
|
style = ListView_GetClientRect(plv, &rcClient, TRUE, &rcView);
|
|
|
|
// Grow scrolling rect to origin if necessary.
|
|
if (rcView.left > 0)
|
|
{
|
|
rcView.left = 0;
|
|
}
|
|
if (rcView.top > 0)
|
|
{
|
|
rcView.top = 0;
|
|
}
|
|
|
|
//TraceMsg(TF_LISTVIEW, "ListView_GetClientRect %x %x %x %x", rcClient.left, rcClient.top, rcClient.right, rcClient.bottom);
|
|
//TraceMsg(TF_LISTVIEW, "ListView_GetViewRect2 %x %x %x %x", rcView.left, rcView.top, rcView.right, rcView.bottom);
|
|
//TraceMsg(TF_LISTVIEW, "rcView %x %x %x %x", plv->rcView.left, plv->rcView.top, plv->rcView.right, plv->rcView.bottom);
|
|
//TraceMsg(TF_LISTVIEW, "Origin %x %x", plv->ptOrigin.x, plv->ptOrigin.y);
|
|
|
|
si.cbSize = sizeof(SCROLLINFO);
|
|
|
|
if (style & WS_HSCROLL)
|
|
{
|
|
si.fMask = SIF_PAGE | SIF_RANGE | SIF_POS;
|
|
si.nMin = 0;
|
|
si.nMax = rcView.right - rcView.left - 1;
|
|
//TraceMsg(TF_LISTVIEW, "si.nMax rcView.right - rcView.left - 1 %x", si.nMax);
|
|
|
|
si.nPage = rcClient.right - rcClient.left;
|
|
//TraceMsg(TF_LISTVIEW, "si.nPage %x", si.nPage);
|
|
|
|
si.nPos = rcClient.left - rcView.left;
|
|
if (si.nPos < 0)
|
|
{
|
|
// with the new rcView calculations, I don't think
|
|
// rcView.left is ever larger than rcClient.left. msq
|
|
ASSERT(0);
|
|
si.nPos = 0;
|
|
}
|
|
//TraceMsg(TF_LISTVIEW, "si.nPos %x", si.nPos);
|
|
|
|
ListView_SetScrollInfo(plv, SB_HORZ, &si, TRUE);
|
|
|
|
// 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;
|
|
}
|
|
}
|
|
|
|
}
|
|
else if (styleOld & WS_HSCROLL)
|
|
{
|
|
ListView_SetScrollRange(plv, SB_HORZ, 0, 0, TRUE);
|
|
}
|
|
|
|
if (style & WS_VSCROLL)
|
|
{
|
|
si.fMask = SIF_PAGE | SIF_RANGE | SIF_POS;
|
|
si.nMin = 0;
|
|
si.nMax = rcView.bottom - rcView.top - 1;
|
|
|
|
si.nPage = rcClient.bottom - rcClient.top;
|
|
|
|
si.nPos = rcClient.top - rcView.top;
|
|
if (si.nPos < 0)
|
|
{
|
|
// with the new rcView calculations, I don't think
|
|
// rcView.top is ever larger than rcClient.top. msq
|
|
ASSERT(0);
|
|
si.nPos = 0;
|
|
}
|
|
|
|
ListView_SetScrollInfo(plv, SB_VERT, &si, TRUE);
|
|
|
|
// 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) {
|
|
iyDelta = iNewPos - (int)si.nPos;
|
|
fReupdate = TRUE;
|
|
}
|
|
}
|
|
}
|
|
else if (styleOld & WS_VSCROLL)
|
|
{
|
|
ListView_SetScrollRange(plv, SB_VERT, 0, 0, TRUE);
|
|
}
|
|
|
|
if (fReupdate)
|
|
{
|
|
// we shouldn't recurse because the second time through, si.nPos >0
|
|
ListView_IScroll2(plv, ixDelta, iyDelta, 0);
|
|
ListView_IUpdateScrollBars(plv);
|
|
TraceMsg(TF_WARNING, "LISTVIEW: ERROR: We had to recurse!");
|
|
}
|
|
}
|
|
|
|
void FAR PASCAL ListView_ComOnScroll(LV* plv, UINT code, int posNew, int sb,
|
|
int cLine, int cPage)
|
|
{
|
|
int pos;
|
|
SCROLLINFO si;
|
|
BOOL fVert = (sb == SB_VERT);
|
|
UINT uSmooth = 0;
|
|
|
|
si.cbSize = sizeof(SCROLLINFO);
|
|
si.fMask = SIF_PAGE | SIF_RANGE | SIF_POS;
|
|
|
|
if (!ListView_GetScrollInfo(plv, sb, &si)) {
|
|
return;
|
|
}
|
|
|
|
if (cPage != -1)
|
|
si.nPage = cPage;
|
|
|
|
si.nMax -= (si.nPage - 1);
|
|
|
|
if (si.nMax < si.nMin)
|
|
si.nMax = si.nMin;
|
|
|
|
pos = (int)si.nPos; // current position
|
|
|
|
switch (code)
|
|
{
|
|
case SB_LEFT:
|
|
si.nPos = si.nMin;
|
|
break;
|
|
case SB_RIGHT:
|
|
si.nPos = si.nMax;
|
|
break;
|
|
case SB_PAGELEFT:
|
|
si.nPos -= si.nPage;
|
|
break;
|
|
case SB_LINELEFT:
|
|
si.nPos -= cLine;
|
|
break;
|
|
case SB_PAGERIGHT:
|
|
si.nPos += si.nPage;
|
|
break;
|
|
case SB_LINERIGHT:
|
|
si.nPos += cLine;
|
|
break;
|
|
|
|
case SB_THUMBTRACK:
|
|
si.nPos = posNew;
|
|
uSmooth = SSW_EX_IMMEDIATE;
|
|
break;
|
|
|
|
case SB_ENDSCROLL:
|
|
// When scroll bar tracking is over, ensure scroll bars
|
|
// are properly updated...
|
|
//
|
|
ListView_UpdateScrollBars(plv);
|
|
return;
|
|
|
|
default:
|
|
return;
|
|
}
|
|
|
|
if (plv->iScrollCount >= SMOOTHSCROLLLIMIT)
|
|
uSmooth = SSW_EX_IMMEDIATE;
|
|
|
|
si.fMask = SIF_POS;
|
|
si.nPos = ListView_SetScrollInfo(plv, sb, &si, TRUE);
|
|
|
|
if (pos != si.nPos)
|
|
{
|
|
int delta = (int)si.nPos - pos;
|
|
int dx = 0, dy = 0;
|
|
if (fVert)
|
|
dy = delta;
|
|
else
|
|
dx = delta;
|
|
_ListView_Scroll2(plv, dx, dy, uSmooth);
|
|
UpdateWindow(plv->ci.hwnd);
|
|
}
|
|
}
|
|
|
|
//
|
|
// 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_IScroll2_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->ptOrigin.x -= dx;
|
|
plv->ptOrigin.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_IScroll2(LV* plv, int dx, int dy, UINT uSmooth)
|
|
{
|
|
if (dx | dy)
|
|
{
|
|
if ((plv->clrBk == CLR_NONE) && (plv->pImgCtx == NULL))
|
|
{
|
|
plv->ptOrigin.x += dx;
|
|
plv->ptOrigin.y += dy;
|
|
LVSeeThruScroll(plv, NULL);
|
|
}
|
|
else
|
|
{
|
|
SMOOTHSCROLLINFO si;
|
|
si.cbSize = sizeof(si);
|
|
si.fMask = SSIF_SCROLLPROC;
|
|
si.hwnd = plv->ci.hwnd;
|
|
si.dx = -dx;
|
|
si.dy = -dy;
|
|
si.lprcSrc = NULL;
|
|
si.lprcClip = NULL;
|
|
si.hrgnUpdate = NULL;
|
|
si.lprcUpdate = NULL;
|
|
si.fuScroll = uSmooth | SW_INVALIDATE | SW_ERASE;
|
|
si.pfnScrollProc = ListView_IScroll2_SmoothScroll;
|
|
SmoothScrollWindow(&si);
|
|
}
|
|
}
|
|
}
|
|
|
|
void NEAR ListView_IOnScroll(LV* plv, UINT code, int posNew, UINT sb)
|
|
{
|
|
int cLine;
|
|
|
|
if (sb == SB_VERT)
|
|
{
|
|
cLine = lv_cyIconSpacing / 2;
|
|
}
|
|
else
|
|
{
|
|
cLine = lv_cxIconSpacing / 2;
|
|
}
|
|
|
|
ListView_ComOnScroll(plv, code, posNew, sb,
|
|
cLine, -1);
|
|
|
|
}
|
|
|
|
int NEAR ListView_IGetScrollUnitsPerLine(LV* plv, UINT sb)
|
|
{
|
|
int cLine;
|
|
|
|
if (sb == SB_VERT)
|
|
{
|
|
cLine = lv_cyIconSpacing / 2;
|
|
}
|
|
else
|
|
{
|
|
cLine = lv_cxIconSpacing / 2;
|
|
}
|
|
|
|
return cLine;
|
|
}
|
|
|
|
// NOTE: there is very similar code in the treeview
|
|
//
|
|
// Totally disgusting hack in order to catch VK_RETURN
|
|
// before edit control gets it.
|
|
//
|
|
LRESULT CALLBACK ListView_EditWndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
LV* plv = ListView_GetPtr(GetParent(hwnd));
|
|
LRESULT lret;
|
|
|
|
ASSERT(plv);
|
|
|
|
#if defined(FE_IME)
|
|
if ( (g_fDBCSInputEnabled) && LOWORD(GetKeyboardLayout(0L)) == 0x0411 )
|
|
{
|
|
// The following code adds IME awareness to the
|
|
// listview's label editing. Currently just for Japanese.
|
|
//
|
|
DWORD dwGcs;
|
|
|
|
if (msg==WM_SIZE)
|
|
{
|
|
// If it's given the size, tell it to an IME.
|
|
|
|
ListView_SizeIME(hwnd);
|
|
}
|
|
else if (msg == EM_SETLIMITTEXT )
|
|
{
|
|
if (wParam < 13)
|
|
plv->flags |= LVF_DONTDRAWCOMP;
|
|
else
|
|
plv->flags &= ~LVF_DONTDRAWCOMP;
|
|
}
|
|
// Give up to draw IME composition by ourselves in case
|
|
// we're working on SFN. Win95d-5709
|
|
else if (!(plv->flags & LVF_DONTDRAWCOMP ))
|
|
{
|
|
switch (msg)
|
|
{
|
|
|
|
case WM_IME_STARTCOMPOSITION:
|
|
case WM_IME_ENDCOMPOSITION:
|
|
return 0L;
|
|
|
|
|
|
case WM_IME_COMPOSITION:
|
|
|
|
// If lParam has no data available bit, it implies
|
|
// canceling composition.
|
|
// ListView_InsertComposition() tries to get composition
|
|
// string w/ GCS_COMPSTR then remove it from edit control if
|
|
// nothing is available.
|
|
//
|
|
if ( !lParam )
|
|
dwGcs = GCS_COMPSTR;
|
|
else
|
|
dwGcs = (DWORD) lParam;
|
|
|
|
ListView_InsertComposition(hwnd, wParam, dwGcs, plv);
|
|
return 0L;
|
|
|
|
case WM_PAINT:
|
|
lret=CallWindowProc(plv->pfnEditWndProc, hwnd, msg, wParam, lParam);
|
|
ListView_PaintComposition(hwnd,plv);
|
|
return lret;
|
|
|
|
case WM_IME_SETCONTEXT:
|
|
|
|
// We draw composition string.
|
|
//
|
|
lParam &= ~ISC_SHOWUICOMPOSITIONWINDOW;
|
|
break;
|
|
|
|
default:
|
|
// the other messages should simply be processed
|
|
// in this subclass procedure.
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
#endif FE_IME
|
|
|
|
switch (msg)
|
|
{
|
|
case WM_SETTEXT:
|
|
SetWindowID(hwnd, 1);
|
|
break;
|
|
|
|
case WM_KEYDOWN:
|
|
switch (wParam)
|
|
{
|
|
case VK_RETURN:
|
|
ListView_DismissEdit(plv, FALSE);
|
|
return 0L;
|
|
|
|
case VK_ESCAPE:
|
|
ListView_DismissEdit(plv, TRUE);
|
|
return 0L;
|
|
}
|
|
break;
|
|
|
|
case WM_CHAR:
|
|
switch (wParam)
|
|
{
|
|
case VK_RETURN:
|
|
// Eat the character, so edit control wont beep!
|
|
return 0L;
|
|
}
|
|
break;
|
|
|
|
case WM_GETDLGCODE:
|
|
return DLGC_WANTALLKEYS | DLGC_HASSETSEL; /* editing name, no dialog handling right now */
|
|
}
|
|
|
|
return CallWindowProc(plv->pfnEditWndProc, hwnd, msg, wParam, lParam);
|
|
}
|
|
|
|
// Helper routine for SetEditSize
|
|
void ListView_ChangeEditRectForRegion(LV* plv, LPRECT lprc)
|
|
{
|
|
LISTITEM FAR* pitem = ListView_GetItemPtr(plv, plv->iEdit);
|
|
|
|
ASSERT(!ListView_IsOwnerData(plv));
|
|
ASSERT(ListView_IsIconView(plv));
|
|
|
|
if (!EqualRect((CONST RECT *)&pitem->rcTextRgn, (CONST RECT *)lprc)) {
|
|
// RecalcRegion knows to use rcTextRgn in the case where iEdit != -1,
|
|
// so set it up before calling through.
|
|
CopyRect(&pitem->rcTextRgn, (CONST RECT *)lprc);
|
|
ListView_RecalcRegion(plv, TRUE, TRUE);
|
|
|
|
// Invalidate the entire Edit and force a repaint from the listview
|
|
// on down to make sure we don't leave turds...
|
|
InvalidateRect(plv->hwndEdit, NULL, TRUE);
|
|
UpdateWindow(plv->ci.hwnd);
|
|
}
|
|
}
|
|
|
|
// BUGBUG: very similar routine in treeview
|
|
|
|
void NEAR ListView_SetEditSize(LV* plv)
|
|
{
|
|
RECT rcLabel;
|
|
UINT seips;
|
|
|
|
if (!((plv->iEdit >= 0) && (plv->iEdit < ListView_Count(plv))))
|
|
{
|
|
ListView_DismissEdit(plv, TRUE); // cancel edits
|
|
return;
|
|
}
|
|
|
|
ListView_GetRects(plv, plv->iEdit, NULL, &rcLabel, NULL, NULL);
|
|
|
|
// OffsetRect(&rc, rcLabel.left + g_cxLabelMargin + g_cxBorder,
|
|
// (rcLabel.bottom + rcLabel.top - rc.bottom) / 2 + g_cyBorder);
|
|
// OffsetRect(&rc, rcLabel.left + g_cxLabelMargin , rcLabel.top);
|
|
|
|
// get the text bounding rect
|
|
|
|
if (ListView_IsIconView(plv))
|
|
{
|
|
// We should not adjust y-positoin in case of the icon view.
|
|
InflateRect(&rcLabel, -g_cxLabelMargin, -g_cyBorder);
|
|
}
|
|
else
|
|
{
|
|
// Special case for single-line & centered
|
|
InflateRect(&rcLabel, -g_cxLabelMargin - g_cxBorder, (-(rcLabel.bottom - rcLabel.top - plv->cyLabelChar) / 2) - g_cyBorder);
|
|
}
|
|
|
|
seips = 0;
|
|
if (ListView_IsIconView(plv) && !(plv->ci.style & LVS_NOLABELWRAP))
|
|
seips |= SEIPS_WRAP;
|
|
#ifdef DEBUG
|
|
if (plv->ci.style & LVS_NOSCROLL)
|
|
seips |= SEIPS_NOSCROLL;
|
|
#endif
|
|
|
|
SetEditInPlaceSize(plv->hwndEdit, &rcLabel, plv->hfontLabel, seips);
|
|
|
|
if (plv->exStyle & LVS_EX_REGIONAL)
|
|
ListView_ChangeEditRectForRegion(plv, &rcLabel);
|
|
}
|
|
|
|
// to avoid eating too much stack
|
|
void NEAR ListView_DoOnEditLabel(LV *plv, int i, LPTSTR pszInitial)
|
|
{
|
|
TCHAR szLabel[CCHLABELMAX];
|
|
LV_ITEM item;
|
|
|
|
item.mask = LVIF_TEXT;
|
|
item.iItem = i;
|
|
item.iSubItem = 0;
|
|
item.pszText = szLabel;
|
|
item.cchTextMax = ARRAYSIZE(szLabel);
|
|
ListView_OnGetItem(plv, &item);
|
|
|
|
if (!item.pszText)
|
|
return;
|
|
|
|
// Make sure the edited item has the focus.
|
|
if (plv->iFocus != i)
|
|
ListView_SetFocusSel(plv, i, TRUE, TRUE, FALSE);
|
|
|
|
// Make sure the item is fully visible
|
|
ListView_OnEnsureVisible(plv, i, FALSE); // fPartialOK == FALSE
|
|
|
|
// Must subtract one from ARRAYSIZE(szLabel) because Edit_LimitText doesn't include
|
|
// the terminating NULL
|
|
|
|
plv->hwndEdit = CreateEditInPlaceWindow(plv->ci.hwnd,
|
|
pszInitial? pszInitial : item.pszText, ARRAYSIZE(szLabel) - 1,
|
|
ListView_IsIconView(plv) ?
|
|
(WS_BORDER | WS_CLIPSIBLINGS | WS_CHILD | ES_CENTER | ES_MULTILINE | ES_AUTOVSCROLL | ES_AUTOHSCROLL) :
|
|
(WS_BORDER | WS_CLIPSIBLINGS | WS_CHILD | ES_LEFT | ES_AUTOHSCROLL), plv->hfontLabel);
|
|
if (plv->hwndEdit)
|
|
{
|
|
LISTITEM FAR* pitem;
|
|
LV_DISPINFO nm;
|
|
|
|
// We create the edit window but have not shown it. Ask the owner
|
|
// if they are interested or not.
|
|
// If we passed in initial text set the ID to be dirty...
|
|
if (pszInitial)
|
|
SetWindowID(plv->hwndEdit, 1);
|
|
|
|
nm.item.mask = LVIF_PARAM;
|
|
nm.item.iItem = i;
|
|
nm.item.iSubItem = 0;
|
|
|
|
if (!ListView_IsOwnerData( plv ))
|
|
{
|
|
if (!(pitem = ListView_GetItemPtr(plv, i)))
|
|
{
|
|
DestroyWindow(plv->hwndEdit);
|
|
plv->hwndEdit = NULL;
|
|
return;
|
|
}
|
|
nm.item.lParam = pitem->lParam;
|
|
}
|
|
else
|
|
nm.item.lParam = (LPARAM)0;
|
|
|
|
|
|
plv->iEdit = i;
|
|
|
|
// if they have LVS_EDITLABELS but return non-FALSE here, stop!
|
|
if ((BOOL)CCSendNotify(&plv->ci, LVN_BEGINLABELEDIT, &nm.hdr))
|
|
{
|
|
plv->iEdit = -1;
|
|
DestroyWindow(plv->hwndEdit);
|
|
plv->hwndEdit = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void FAR PASCAL RescrollEditWindow(HWND hwndEdit)
|
|
{
|
|
Edit_SetSel(hwndEdit, -1, -1); // move to the end
|
|
Edit_SetSel(hwndEdit, 0, -1); // select all text
|
|
}
|
|
// BUGBUG: very similar code in treeview.c
|
|
|
|
HWND NEAR ListView_OnEditLabel(LV* plv, int i, LPTSTR pszInitialText)
|
|
{
|
|
|
|
// this eats stack
|
|
ListView_DismissEdit(plv, FALSE);
|
|
|
|
if (!(plv->ci.style & LVS_EDITLABELS) || (GetFocus() != plv->ci.hwnd) ||
|
|
(i == -1))
|
|
return(NULL); // Does not support this.
|
|
|
|
ListView_DoOnEditLabel(plv, i, pszInitialText);
|
|
|
|
if (plv->hwndEdit) {
|
|
|
|
plv->pfnEditWndProc = SubclassWindow(plv->hwndEdit, ListView_EditWndProc);
|
|
|
|
#if defined(FE_IME)
|
|
if (g_fDBCSInputEnabled) {
|
|
if (SendMessage(plv->hwndEdit, EM_GETLIMITTEXT, (WPARAM)0, (LPARAM)0)<13)
|
|
{
|
|
plv->flags |= LVF_DONTDRAWCOMP;
|
|
}
|
|
|
|
}
|
|
#endif
|
|
|
|
ListView_SetEditSize(plv);
|
|
|
|
// Show the window and set focus to it. Do this after setting the
|
|
// size so we don't get flicker.
|
|
SetFocus(plv->hwndEdit);
|
|
ShowWindow(plv->hwndEdit, SW_SHOW);
|
|
ListView_InvalidateItem(plv, i, TRUE, RDW_INVALIDATE | RDW_ERASE);
|
|
|
|
RescrollEditWindow(plv->hwndEdit);
|
|
|
|
/* Due to a bizzare twist of fate, a certain mix of resolution / font size / icon
|
|
/ spacing results in being able to see the previous label behind the edit control
|
|
/ we have just created. Therefore to overcome this problem we ensure that this
|
|
/ label is erased.
|
|
/
|
|
/ As the label is not painted when we have an edit control we just invalidate the
|
|
/ area and the background will be painted. As the window is a child of the list view
|
|
/ we should not see any flicker within it. */
|
|
|
|
if ( ListView_IsIconView( plv ) )
|
|
{
|
|
RECT rcLabel;
|
|
|
|
ListView_GetRects( plv, i, NULL, &rcLabel, NULL, NULL );
|
|
ListView_UnfoldRects( plv, i, NULL, &rcLabel, NULL, NULL );
|
|
|
|
InvalidateRect( plv->ci.hwnd, &rcLabel, TRUE );
|
|
UpdateWindow( plv->ci.hwnd );
|
|
}
|
|
}
|
|
|
|
return plv->hwndEdit;
|
|
}
|
|
|
|
|
|
// BUGBUG: very similar code in treeview.c
|
|
|
|
BOOL NEAR ListView_DismissEdit(LV* plv, BOOL fCancel)
|
|
{
|
|
LISTITEM FAR* pitem = NULL;
|
|
BOOL fOkToContinue = TRUE;
|
|
HWND hwndEdit = plv->hwndEdit;
|
|
HWND hwnd = plv->ci.hwnd;
|
|
int iEdit;
|
|
LV_DISPINFO nm;
|
|
TCHAR szLabel[CCHLABELMAX];
|
|
#if defined(FE_IME)
|
|
HIMC himc;
|
|
#endif
|
|
|
|
|
|
if (plv->fNoDismissEdit)
|
|
return FALSE;
|
|
|
|
if (!hwndEdit) {
|
|
// Also make sure there are no pending edits...
|
|
ListView_CancelPendingEdit(plv);
|
|
return TRUE; // It is OK to process as normal...
|
|
}
|
|
|
|
// If the window is not visible, we are probably in the process
|
|
// of being destroyed, so assume that we are being destroyed
|
|
if (!IsWindowVisible(plv->ci.hwnd))
|
|
fCancel = TRUE;
|
|
|
|
//
|
|
// We are using the Window ID of the control as a BOOL to
|
|
// state if it is dirty or not.
|
|
switch (GetWindowID(hwndEdit)) {
|
|
case 0:
|
|
// The edit control is not dirty so act like cancel.
|
|
fCancel = TRUE;
|
|
// Fall through to set window so we will not recurse!
|
|
case 1:
|
|
// The edit control is dirty so continue.
|
|
SetWindowID(hwndEdit, 2); // Don't recurse
|
|
break;
|
|
case 2:
|
|
// We are in the process of processing an update now, bail out
|
|
return TRUE;
|
|
}
|
|
|
|
// BUGBUG: this will fail if the program deleted the items out
|
|
// from underneath us (while we are waiting for the edit timer).
|
|
// make delete item invalidate our edit item
|
|
// We uncouple the edit control and hwnd out from under this as
|
|
// to allow code that process the LVN_ENDLABELEDIT to reenter
|
|
// editing mode if an error happens.
|
|
iEdit = plv->iEdit;
|
|
|
|
do
|
|
{
|
|
if (ListView_IsOwnerData( plv ))
|
|
{
|
|
if (!((iEdit >= 0) && (iEdit < plv->cTotalItems)))
|
|
{
|
|
break;
|
|
}
|
|
nm.item.lParam = 0;
|
|
}
|
|
else
|
|
{
|
|
|
|
pitem = ListView_GetItemPtr(plv, iEdit);
|
|
ASSERT(pitem);
|
|
if (pitem == NULL)
|
|
{
|
|
break;
|
|
}
|
|
nm.item.lParam = pitem->lParam;
|
|
}
|
|
|
|
nm.item.iItem = iEdit;
|
|
nm.item.iSubItem = 0;
|
|
nm.item.cchTextMax = 0;
|
|
nm.item.mask = 0;
|
|
|
|
if (fCancel)
|
|
nm.item.pszText = NULL;
|
|
else
|
|
{
|
|
Edit_GetText(hwndEdit, szLabel, ARRAYSIZE(szLabel));
|
|
nm.item.pszText = szLabel;
|
|
nm.item.mask |= LVIF_TEXT;
|
|
nm.item.cchTextMax = ARRAYSIZE(szLabel);
|
|
}
|
|
|
|
//
|
|
// Notify the parent that we the label editing has completed.
|
|
// We will use the LV_DISPINFO structure to return the new
|
|
// label in. The parent still has the old text available by
|
|
// calling the GetItemText function.
|
|
//
|
|
|
|
fOkToContinue = (BOOL)CCSendNotify(&plv->ci, LVN_ENDLABELEDIT, &nm.hdr);
|
|
if (!IsWindow(hwnd)) {
|
|
return FALSE;
|
|
}
|
|
if (fOkToContinue && !fCancel)
|
|
{
|
|
//
|
|
// If the item has the text set as CALLBACK, we will let the
|
|
// ower know that they are supposed to set the item text in
|
|
// their own data structures. Else we will simply update the
|
|
// text in the actual view.
|
|
//
|
|
if (!ListView_IsOwnerData( plv ) &&
|
|
(pitem->pszText != LPSTR_TEXTCALLBACK))
|
|
{
|
|
// Set the item text (everything's set up in nm.item)
|
|
//
|
|
nm.item.mask = LVIF_TEXT;
|
|
ListView_OnSetItem(plv, &nm.item);
|
|
}
|
|
else
|
|
{
|
|
CCSendNotify(&plv->ci, LVN_SETDISPINFO, &nm.hdr);
|
|
|
|
// Also we will assume that our cached size is invalid...
|
|
plv->rcView.left = RECOMPUTE;
|
|
if (!ListView_IsOwnerData( plv ))
|
|
{
|
|
ListView_SetSRecompute(pitem);
|
|
}
|
|
}
|
|
}
|
|
|
|
#if defined(FE_IME)
|
|
if (g_fDBCSInputEnabled) {
|
|
if (LOWORD(GetKeyboardLayout(0L)) == 0x0411 && (himc = ImmGetContext(hwndEdit)))
|
|
{
|
|
ImmNotifyIME(himc, NI_COMPOSITIONSTR, CPS_COMPLETE, 0L);
|
|
ImmReleaseContext(hwndEdit, himc);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
// redraw
|
|
ListView_InvalidateItem(plv, iEdit, FALSE, RDW_INVALIDATE | RDW_ERASE);
|
|
} while (FALSE);
|
|
|
|
// If the hwnedit is still us clear out the variables
|
|
if (hwndEdit == plv->hwndEdit)
|
|
{
|
|
plv->iEdit = -1;
|
|
plv->hwndEdit = NULL; // avoid being reentered
|
|
}
|
|
DestroyWindow(hwndEdit);
|
|
|
|
// We've to recalc the region because the edit in place window has
|
|
// added stuff to the region that we don't know how to remove
|
|
// safely.
|
|
ListView_RecalcRegion(plv, TRUE, TRUE);
|
|
|
|
return fOkToContinue;
|
|
}
|
|
|
|
//
|
|
// This function will scall the icon positions that are stored in the
|
|
// item structures between large and small icon view.
|
|
//
|
|
void NEAR ListView_ScaleIconPositions(LV* plv, BOOL fSmallIconView)
|
|
{
|
|
int cxItem, cyItem;
|
|
HWND hwnd;
|
|
int i;
|
|
|
|
if (fSmallIconView)
|
|
{
|
|
if (plv->flags & LVF_ICONPOSSML)
|
|
return; // Already done
|
|
}
|
|
else
|
|
{
|
|
if ((plv->flags & LVF_ICONPOSSML) == 0)
|
|
return; // dito
|
|
}
|
|
|
|
// Last but not least update our bit!
|
|
plv->flags ^= LVF_ICONPOSSML;
|
|
|
|
cxItem = plv->cxItem;
|
|
cyItem = plv->cyItem;
|
|
hwnd = plv->ci.hwnd;
|
|
|
|
// We will now loop through all of the items and update their coordinats
|
|
// We will update th position directly into the view instead of calling
|
|
// SetItemPosition as to not do 5000 invalidates and messages...
|
|
if (!ListView_IsOwnerData( plv ))
|
|
{
|
|
for (i = 0; i < ListView_Count(plv); i++)
|
|
{
|
|
LISTITEM FAR* pitem = ListView_FastGetItemPtr(plv, i);
|
|
|
|
if (pitem->pt.y != RECOMPUTE) {
|
|
if (fSmallIconView)
|
|
{
|
|
pitem->pt.x = MulDiv(pitem->pt.x - g_cxIconOffset, cxItem, lv_cxIconSpacing);
|
|
pitem->pt.y = MulDiv(pitem->pt.y - g_cyIconOffset, cyItem, lv_cyIconSpacing);
|
|
}
|
|
else
|
|
{
|
|
pitem->pt.x = MulDiv(pitem->pt.x, lv_cxIconSpacing, cxItem) + g_cxIconOffset;
|
|
pitem->pt.y = MulDiv(pitem->pt.y, lv_cyIconSpacing, cyItem) + g_cyIconOffset;
|
|
}
|
|
}
|
|
}
|
|
|
|
plv->iFreeSlot = -1; // The "free slot" cache is no good once an item moves
|
|
|
|
if (plv->ci.style & LVS_AUTOARRANGE)
|
|
{
|
|
ListView_ISetColumnWidth(plv, 0,
|
|
LV_GetNewColWidth(plv, 0, ListView_Count(plv)-1), FALSE);
|
|
// If autoarrange is turned on, the arrange function will do
|
|
// everything that is needed.
|
|
ListView_OnArrange(plv, LVA_DEFAULT);
|
|
return;
|
|
}
|
|
}
|
|
plv->rcView.left = RECOMPUTE;
|
|
|
|
//
|
|
// Also scale the origin
|
|
//
|
|
if (fSmallIconView)
|
|
{
|
|
plv->ptOrigin.x = MulDiv(plv->ptOrigin.x, cxItem, lv_cxIconSpacing);
|
|
plv->ptOrigin.y = MulDiv(plv->ptOrigin.y, cyItem, lv_cyIconSpacing);
|
|
}
|
|
else
|
|
{
|
|
plv->ptOrigin.x = MulDiv(plv->ptOrigin.x, lv_cxIconSpacing, cxItem);
|
|
plv->ptOrigin.y = MulDiv(plv->ptOrigin.y, lv_cyIconSpacing, cyItem);
|
|
}
|
|
|
|
// Make sure it fully redraws correctly
|
|
RedrawWindow(plv->ci.hwnd, NULL, NULL, RDW_INVALIDATE | RDW_ERASE);
|
|
}
|
|
|
|
|
|
|
|
|
|
HWND FAR PASCAL CreateEditInPlaceWindow(HWND hwnd, LPCTSTR lpText, int cbText, LONG style, HFONT hFont)
|
|
{
|
|
HWND hwndEdit;
|
|
|
|
// Create the window with some nonzero size so margins work properly
|
|
// The caller will do a SetEditInPlaceSize to set the real size
|
|
// But make sure the width is huge so when an app calls SetWindowText,
|
|
// USER won't try to scroll the window.
|
|
hwndEdit = CreateWindowEx(GetWindowLong(hwnd, GWL_EXSTYLE) & WS_EX_RTLREADING,
|
|
TEXT("EDIT"), lpText, style,
|
|
0, 0, 16384, 20, hwnd, NULL, HINST_THISDLL, NULL);
|
|
|
|
if (hwndEdit) {
|
|
|
|
Edit_LimitText(hwndEdit, cbText);
|
|
|
|
Edit_SetSel(hwndEdit, 0, 0); // move to the beginning
|
|
|
|
FORWARD_WM_SETFONT(hwndEdit, hFont, FALSE, SendMessage);
|
|
|
|
}
|
|
|
|
return hwndEdit;
|
|
}
|
|
|
|
|
|
// BUGBUG: very similar routine in treeview
|
|
|
|
// in:
|
|
// hwndEdit edit control to position in client coords of parent window
|
|
// prc bonding rect of the text, used to position everthing
|
|
// hFont font being used
|
|
// flags
|
|
// SEIPS_WRAP if this is a wrapped type (multiline) edit
|
|
// SEIPS_NOSCROLL if the parent control does not have scrollbars
|
|
//
|
|
// The SEIPS_NOSCROLL flag is used only in DEBUG. Normally, the item
|
|
// being edited should have been scrolled into view, but if the parent
|
|
// doesn't have scrollbars, then clearly that's not possible, so we
|
|
// shouldn't ASSERT in that case.
|
|
//
|
|
// Notes:
|
|
// The top-left corner of the bouding rectangle must be the position
|
|
// the client uses to draw text. We adjust the edit field rectangle
|
|
// appropriately.
|
|
//
|
|
|
|
void FAR PASCAL SetEditInPlaceSize(HWND hwndEdit, RECT FAR *prc, HFONT hFont, UINT seips)
|
|
{
|
|
RECT rc, rcClient, rcFormat;
|
|
TCHAR szLabel[CCHLABELMAX + 1];
|
|
int cchLabel, cxIconTextWidth;
|
|
HDC hdc;
|
|
HWND hwndParent = GetParent(hwndEdit);
|
|
UINT flags;
|
|
|
|
cchLabel = Edit_GetText(hwndEdit, szLabel, ARRAYSIZE(szLabel));
|
|
if (szLabel[0] == 0)
|
|
{
|
|
StringCchCopy(szLabel, ARRAYSIZE(szLabel), c_szSpace);
|
|
cchLabel = 1;
|
|
}
|
|
|
|
hdc = GetDC(hwndParent);
|
|
|
|
SelectFont(hdc, hFont);
|
|
|
|
cxIconTextWidth = g_cxIconSpacing - g_cxLabelMargin * 2;
|
|
rc.left = rc.top = rc.bottom = 0;
|
|
rc.right = cxIconTextWidth; // for DT_LVWRAP
|
|
|
|
// REVIEW: we might want to include DT_EDITCONTROL in our DT_LVWRAP
|
|
|
|
if (seips & SEIPS_WRAP)
|
|
{
|
|
flags = DT_LVWRAP | DT_CALCRECT;
|
|
// We only use DT_NOFULLWIDTHCHARBREAK on Korean(949) Memphis and NT5
|
|
if (949 == g_uiACP && (g_bRunOnNT5 || g_bRunOnMemphis))
|
|
flags |= DT_NOFULLWIDTHCHARBREAK;
|
|
}
|
|
else
|
|
flags = DT_LV | DT_CALCRECT;
|
|
// If the string is NULL display a rectangle that is visible.
|
|
DrawText(hdc, szLabel, cchLabel, &rc, flags);
|
|
|
|
// Minimum text box size is 1/4 icon spacing size
|
|
if (rc.right < g_cxIconSpacing / 4)
|
|
rc.right = g_cxIconSpacing / 4;
|
|
|
|
// position the text rect based on the text rect passed in
|
|
// if wrapping, center the edit control around the text mid point
|
|
|
|
OffsetRect(&rc,
|
|
(seips & SEIPS_WRAP) ? prc->left + ((prc->right - prc->left) - (rc.right - rc.left)) / 2 : prc->left,
|
|
(seips & SEIPS_WRAP) ? prc->top : prc->top + ((prc->bottom - prc->top) - (rc.bottom - rc.top)) / 2 );
|
|
|
|
// give a little space to ease the editing of this thing
|
|
if (!(seips & SEIPS_WRAP))
|
|
rc.right += g_cxLabelMargin * 4;
|
|
rc.right += g_cyEdge; // try to leave a little more for dual blanks
|
|
|
|
#ifdef DEBUG
|
|
//DrawFocusRect(hdc, &rc);
|
|
#endif
|
|
|
|
ReleaseDC(hwndParent, hdc);
|
|
|
|
//
|
|
// #5688: We need to make it sure that the whole edit window is
|
|
// always visible. We should not extend it to the outside of
|
|
// the parent window.
|
|
//
|
|
{
|
|
BOOL fSuccess;
|
|
GetClientRect(hwndParent, &rcClient);
|
|
fSuccess = IntersectRect(&rc, &rc, &rcClient);
|
|
ASSERT(fSuccess || IsRectEmpty(&rcClient) || (seips & SEIPS_NOSCROLL));
|
|
}
|
|
|
|
//
|
|
// Inflate it after the clipping, because it's ok to hide border.
|
|
//
|
|
// EM_GETRECT already takes EM_GETMARGINS into account, so don't use both.
|
|
|
|
SendMessage(hwndEdit, EM_GETRECT, 0, (LPARAM)(LPRECT)&rcFormat);
|
|
|
|
// Turn the margins inside-out so we can AdjustWindowRect on them.
|
|
rcFormat.top = -rcFormat.top;
|
|
rcFormat.left = -rcFormat.left;
|
|
AdjustWindowRectEx(&rcFormat, GetWindowStyle(hwndEdit), FALSE,
|
|
GetWindowExStyle(hwndEdit));
|
|
|
|
InflateRect(&rc, -rcFormat.left, -rcFormat.top);
|
|
|
|
HideCaret(hwndEdit);
|
|
|
|
SetWindowPos(hwndEdit, NULL, rc.left, rc.top,
|
|
rc.right - rc.left, rc.bottom - rc.top, SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOCOPYBITS);
|
|
|
|
CopyRect(prc, (CONST RECT *)&rc);
|
|
|
|
InvalidateRect(hwndEdit, NULL, TRUE);
|
|
|
|
ShowCaret(hwndEdit);
|
|
}
|
|
|
|
// draw three pixel wide border for border selection.
|
|
void NEAR PASCAL ListView_DrawBorderSel(HIMAGELIST himl, HWND hwnd, HDC hdc, int x,int y, COLORREF clr)
|
|
{
|
|
int dx, dy;
|
|
RECT rc;
|
|
COLORREF clrSave = SetBkColor(hdc, clr);
|
|
|
|
ImageList_GetIconSize(himl, &dx, &dy);
|
|
//left
|
|
rc.left = x - 4; // 1 pixel seperation + 3 pixel width.
|
|
rc.top = y - 4;
|
|
rc.right = x - 1;
|
|
rc.bottom = y + dy + 4;
|
|
ExtTextOut(hdc,0,0,ETO_OPAQUE,&rc,NULL,0,NULL);
|
|
//top
|
|
rc.left = rc.right;
|
|
rc.right = rc.left + dx + 2;
|
|
rc.bottom = rc.top + 3;
|
|
ExtTextOut(hdc,0,0,ETO_OPAQUE,&rc,NULL,0,NULL);
|
|
//right
|
|
rc.left = rc.right;
|
|
rc.right = rc.left + 3;
|
|
rc.bottom = rc.top + dy + 8; // 2*3 pixel borders + 2*1 pixel seperation = 8
|
|
ExtTextOut(hdc,0,0,ETO_OPAQUE,&rc,NULL,0,NULL);
|
|
// bottom
|
|
rc.top = rc.bottom - 3;
|
|
rc.right = rc.left;
|
|
rc.left = rc.right - dx - 2;
|
|
ExtTextOut(hdc,0,0,ETO_OPAQUE,&rc,NULL,0,NULL);
|
|
|
|
SetBkColor(hdc, clrSave);
|
|
return;
|
|
}
|
|
|
|
//
|
|
// If xMax >= 0, then the image will not be drawn past the x-coordinate
|
|
// specified by xMax. This is used only during report view drawing, where
|
|
// we have to clip against our column width.
|
|
//
|
|
UINT NEAR PASCAL ListView_DrawImageEx(LV* plv, LV_ITEM FAR* pitem, HDC hdc, int x, int y, UINT fDraw, int xMax)
|
|
{
|
|
UINT fText = SHDT_DESELECTED;
|
|
UINT fImage = ILD_NORMAL;
|
|
COLORREF clr = 0;
|
|
HIMAGELIST himl;
|
|
BOOL fBorderSel = (plv->exStyle & LVS_EX_BORDERSELECT);
|
|
int cxIcon;
|
|
|
|
fImage = (pitem->state & LVIS_OVERLAYMASK);
|
|
fText = SHDT_DESELECTED;
|
|
|
|
if (ListView_IsIconView(plv)) {
|
|
himl = plv->himl;
|
|
cxIcon = plv->cxIcon;
|
|
} else {
|
|
himl = plv->himlSmall;
|
|
cxIcon = plv->cxSmIcon;
|
|
}
|
|
|
|
// the item can have one of 4 states, for 3 looks:
|
|
// normal simple drawing
|
|
// selected, no focus light image highlight, no text hi
|
|
// selected w/ focus highlight image & text
|
|
// drop highlighting highlight image & text
|
|
|
|
if ((pitem->state & LVIS_DROPHILITED) ||
|
|
((fDraw & LVDI_SELECTED) && (pitem->state & LVIS_SELECTED)))
|
|
{
|
|
fText = SHDT_SELECTED;
|
|
if (!fBorderSel) // do not effect color of icon on borderselect.
|
|
{
|
|
fImage |= ILD_BLEND50;
|
|
clr = CLR_HILIGHT;
|
|
}
|
|
}
|
|
|
|
if ((fDraw & LVDI_SELECTNOFOCUS) && (pitem->state & LVIS_SELECTED)) {
|
|
fText = SHDT_SELECTNOFOCUS;
|
|
//fImage |= ILD_BLEND50;
|
|
//clr = GetSysColor(COLOR_3DFACE);
|
|
}
|
|
|
|
if (pitem->state & LVIS_CUT)
|
|
{
|
|
fImage |= ILD_BLEND50;
|
|
clr = plv->clrBk;
|
|
}
|
|
|
|
if (!(fDraw & LVDI_NOIMAGE))
|
|
{
|
|
if (himl) {
|
|
COLORREF clrBk;
|
|
|
|
if (plv->pImgCtx || ((plv->exStyle & LVS_EX_REGIONAL) && !g_fSlowMachine))
|
|
clrBk = CLR_NONE;
|
|
else
|
|
clrBk = plv->clrBk;
|
|
|
|
if (xMax >= 0)
|
|
cxIcon = min(cxIcon, xMax - x);
|
|
|
|
if (cxIcon > 0)
|
|
ImageList_DrawEx(himl, pitem->iImage, hdc, x, y, cxIcon, 0, clrBk, clr, fImage);
|
|
}
|
|
|
|
if (plv->himlState) {
|
|
if (LV_StateImageValue(pitem) &&
|
|
(pitem->iSubItem == 0 ||
|
|
plv->exStyle & LVS_EX_SUBITEMIMAGES)
|
|
) {
|
|
int iState = LV_StateImageIndex(pitem);
|
|
int dyImage =
|
|
(himl) ?
|
|
( (ListView_IsIconView(plv) ? plv->cyIcon : plv->cySmIcon) - plv->cyState)
|
|
: 0;
|
|
int xDraw = x-plv->cxState;
|
|
cxIcon = plv->cxState;
|
|
if (xMax >= 0)
|
|
cxIcon = min(cxIcon, xMax - xDraw);
|
|
if (cxIcon > 0)
|
|
ImageList_DrawEx(plv->himlState, iState, hdc,
|
|
xDraw,
|
|
y + dyImage,
|
|
cxIcon,
|
|
0,
|
|
CLR_DEFAULT,
|
|
CLR_DEFAULT,
|
|
ILD_NORMAL);
|
|
}
|
|
}
|
|
// draw the border selection if appropriate.
|
|
if (fBorderSel && !(fText & SHDT_DESELECTED)) // selected, draw the selection rect.
|
|
{
|
|
COLORREF clrBorder = (fDraw & LVDI_HOTSELECTED)
|
|
? GetSysColor(COLOR_HOTLIGHT) : g_clrHighlight;
|
|
ListView_DrawBorderSel(himl, plv->ci.hwnd, hdc, x, y, clrBorder);
|
|
}
|
|
else if (fBorderSel && (fText & SHDT_DESELECTED)) // erase possible selection rect.
|
|
ListView_DrawBorderSel(himl, plv->ci.hwnd, hdc, x, y, plv->clrBk);
|
|
|
|
}
|
|
|
|
return fText;
|
|
}
|
|
|
|
#if defined(FE_IME)
|
|
void NEAR PASCAL ListView_SizeIME(HWND hwnd)
|
|
{
|
|
HIMC himc;
|
|
CANDIDATEFORM candf;
|
|
RECT rc;
|
|
|
|
// If this subclass procedure is being called with WM_SIZE,
|
|
// This routine sets the rectangle to an IME.
|
|
|
|
GetClientRect(hwnd, &rc);
|
|
|
|
|
|
// Candidate stuff
|
|
candf.dwIndex = 0; // Bogus assumption for Japanese IME.
|
|
candf.dwStyle = CFS_EXCLUDE;
|
|
candf.ptCurrentPos.x = rc.left;
|
|
candf.ptCurrentPos.y = rc.bottom;
|
|
candf.rcArea = rc;
|
|
|
|
if (himc=ImmGetContext(hwnd))
|
|
{
|
|
ImmSetCandidateWindow(himc, &candf);
|
|
ImmReleaseContext(hwnd, himc);
|
|
}
|
|
}
|
|
|
|
|
|
void NEAR PASCAL DrawCompositionLine(HWND hwnd, HDC hdc, HFONT hfont, LPTSTR lpszComp, LPBYTE lpszAttr, int ichCompStart, int ichCompEnd, int ichStart)
|
|
{
|
|
PTSTR pszCompStr;
|
|
int ichSt,ichEnd;
|
|
DWORD dwPos;
|
|
BYTE bAttr;
|
|
HFONT hfontOld;
|
|
|
|
int fnPen;
|
|
HPEN hPen;
|
|
COLORREF crDrawText;
|
|
COLORREF crDrawBack;
|
|
COLORREF crOldText;
|
|
COLORREF crOldBk;
|
|
|
|
|
|
while (ichCompStart < ichCompEnd)
|
|
{
|
|
|
|
// Get the fragment to draw
|
|
//
|
|
// ichCompStart,ichCompEnd -- index at Edit Control
|
|
// ichSt,ichEnd -- index at lpszComp
|
|
|
|
ichEnd = ichSt = ichCompStart - ichStart;
|
|
bAttr = lpszAttr[ichSt];
|
|
|
|
while (ichEnd < ichCompEnd - ichStart)
|
|
{
|
|
if (bAttr == lpszAttr[ichEnd])
|
|
ichEnd++;
|
|
else
|
|
break;
|
|
}
|
|
|
|
pszCompStr = (PTSTR)LocalAlloc(LPTR, sizeof(TCHAR)*(ichEnd - ichSt + 1 + 1) ); // 1 for NULL.
|
|
|
|
if (pszCompStr)
|
|
{
|
|
StringCchCopy(pszCompStr, ichEnd-ichSt+1, &lpszComp[ichSt]);
|
|
pszCompStr[ichEnd-ichSt] = '\0';
|
|
}
|
|
|
|
|
|
// Attribute stuff
|
|
switch (bAttr)
|
|
{
|
|
case ATTR_INPUT:
|
|
fnPen = PS_DOT;
|
|
crDrawText = g_clrWindowText;
|
|
crDrawBack = g_clrWindow;
|
|
break;
|
|
case ATTR_TARGET_CONVERTED:
|
|
case ATTR_TARGET_NOTCONVERTED:
|
|
fnPen = PS_DOT;
|
|
crDrawText = g_clrHighlightText;
|
|
crDrawBack = g_clrHighlight;
|
|
break;
|
|
case ATTR_CONVERTED:
|
|
fnPen = PS_SOLID;
|
|
crDrawText = g_clrWindowText;
|
|
crDrawBack = g_clrWindow;
|
|
break;
|
|
}
|
|
crOldText = SetTextColor(hdc, crDrawText);
|
|
crOldBk = SetBkColor(hdc, crDrawBack);
|
|
|
|
hfontOld= SelectObject(hdc, hfont);
|
|
|
|
// Get the start position of composition
|
|
//
|
|
dwPos = (DWORD) SendMessage(hwnd, EM_POSFROMCHAR, ichCompStart, 0);
|
|
|
|
// Draw it.
|
|
TextOut(hdc, GET_X_LPARAM(dwPos), GET_Y_LPARAM(dwPos), pszCompStr, ichEnd-ichSt);
|
|
#ifndef DONT_UNDERLINE
|
|
// Underline
|
|
hPen = CreatePen(fnPen, 1, crDrawText);
|
|
if( hPen ) {
|
|
|
|
HPEN hpenOld = SelectObject( hdc, hPen );
|
|
int iOldBk = SetBkMode( hdc, TRANSPARENT );
|
|
SIZE size;
|
|
|
|
GetTextExtentPoint(hdc, pszCompStr, ichEnd-ichSt, &size);
|
|
|
|
MoveToEx( hdc, GET_X_LPARAM(dwPos), size.cy + GET_Y_LPARAM(dwPos)-1, NULL);
|
|
|
|
LineTo( hdc, size.cx + GET_X_LPARAM(dwPos), size.cy + GET_Y_LPARAM(dwPos)-1 );
|
|
|
|
SetBkMode( hdc, iOldBk );
|
|
|
|
if( hpenOld ) SelectObject( hdc, hpenOld );
|
|
|
|
DeleteObject( hPen );
|
|
}
|
|
#endif
|
|
|
|
if (hfontOld)
|
|
SelectObject(hdc, hfontOld);
|
|
|
|
SetTextColor(hdc, crOldText);
|
|
SetBkColor(hdc, crOldBk);
|
|
|
|
LocalFree((HLOCAL)pszCompStr);
|
|
|
|
//Next fragment
|
|
//
|
|
ichCompStart += ichEnd-ichSt;
|
|
}
|
|
}
|
|
|
|
void NEAR PASCAL ListView_InsertComposition(HWND hwnd, WPARAM wParam, LPARAM lParam, LV *plv)
|
|
{
|
|
PSTR pszCompStr;
|
|
|
|
int cbComp = 0;
|
|
int cbCompNew;
|
|
int cchMax;
|
|
int cchText;
|
|
DWORD dwSel;
|
|
HIMC himc = (HIMC)0;
|
|
|
|
|
|
// To prevent recursion..
|
|
|
|
if (plv->flags & LVF_INSERTINGCOMP)
|
|
{
|
|
return;
|
|
}
|
|
plv->flags |= LVF_INSERTINGCOMP;
|
|
|
|
// Don't want to redraw edit during inserting.
|
|
//
|
|
SendMessage(hwnd, WM_SETREDRAW, (WPARAM)FALSE, 0);
|
|
|
|
// If we have RESULT STR, put it to EC first.
|
|
|
|
if (himc = ImmGetContext(hwnd))
|
|
{
|
|
if (!(dwSel = PtrToUlong(GetProp(hwnd, szIMECompPos))))
|
|
dwSel = Edit_GetSel(hwnd);
|
|
|
|
// Becaues we don't setsel after inserting composition
|
|
// in win32 case.
|
|
Edit_SetSel(hwnd, GET_X_LPARAM(dwSel), GET_Y_LPARAM(dwSel));
|
|
if (lParam&GCS_RESULTSTR)
|
|
{
|
|
// ImmGetCompositionString() returns length of buffer in bytes,
|
|
// not in # of character
|
|
cbComp = (int)ImmGetCompositionString(himc, GCS_RESULTSTR, NULL, 0);
|
|
|
|
pszCompStr = (PSTR)LocalAlloc(LPTR, cbComp + sizeof(TCHAR));
|
|
if (pszCompStr)
|
|
{
|
|
ImmGetCompositionString(himc, GCS_RESULTSTR, (PSTR)pszCompStr, cbComp+sizeof(TCHAR));
|
|
|
|
// With ImmGetCompositionStringW, cbComp is # of bytes copied
|
|
// character position must be calculated by cbComp / sizeof(TCHAR)
|
|
//
|
|
*(TCHAR *)(&pszCompStr[cbComp]) = TEXT('\0');
|
|
Edit_ReplaceSel(hwnd, (LPTSTR)pszCompStr);
|
|
LocalFree((HLOCAL)pszCompStr);
|
|
}
|
|
// There's no longer selection
|
|
//
|
|
RemoveProp(hwnd, szIMECompPos);
|
|
|
|
// Get current cursor pos so that the subsequent composition
|
|
// handling will do the right thing.
|
|
//
|
|
dwSel = Edit_GetSel(hwnd);
|
|
}
|
|
|
|
if (lParam & GCS_COMPSTR)
|
|
{
|
|
// ImmGetCompositionString() returns length of buffer in bytes,
|
|
// not in # of character
|
|
//
|
|
cbComp = (int)ImmGetCompositionString(himc, GCS_COMPSTR, NULL, 0);
|
|
pszCompStr = (PSTR)LocalAlloc(LPTR, cbComp + sizeof(TCHAR));
|
|
if (pszCompStr)
|
|
{
|
|
ImmGetCompositionString(himc, GCS_COMPSTR, pszCompStr, cbComp+sizeof(TCHAR));
|
|
|
|
// Get position of the current selection
|
|
//
|
|
cchMax = (int)SendMessage(hwnd, EM_GETLIMITTEXT, 0, 0);
|
|
cchText = Edit_GetTextLength(hwnd);
|
|
|
|
// Cut the composition string if it exceeds limit.
|
|
//
|
|
cbCompNew = min((UINT)cbComp,
|
|
sizeof(TCHAR)*(cchMax-(cchText-(HIWORD(dwSel)-LOWORD(dwSel)))));
|
|
|
|
// wrap up the DBCS at the end of string
|
|
//
|
|
if (cbCompNew < cbComp)
|
|
{
|
|
*(TCHAR *)(&pszCompStr[cbCompNew]) = TEXT('\0');
|
|
|
|
// Reset composition string if we cut it.
|
|
ImmSetCompositionString(himc, SCS_SETSTR, pszCompStr, cbCompNew, NULL, 0);
|
|
cbComp = cbCompNew;
|
|
}
|
|
|
|
*(TCHAR *)(&pszCompStr[cbComp]) = TEXT('\0');
|
|
|
|
// Replace the current selection with composition string.
|
|
//
|
|
Edit_ReplaceSel(hwnd, (LPTSTR)pszCompStr);
|
|
|
|
LocalFree((HLOCAL)pszCompStr);
|
|
}
|
|
|
|
// Mark the composition string so that we can replace it again
|
|
// for the next time.
|
|
//
|
|
|
|
// Don't setsel to avoid flicking
|
|
if (cbComp)
|
|
{
|
|
dwSel = MAKELONG(LOWORD(dwSel),LOWORD(dwSel)+cbComp/sizeof(TCHAR));
|
|
SetProp(hwnd, szIMECompPos, IntToPtr(dwSel));
|
|
}
|
|
else
|
|
RemoveProp(hwnd, szIMECompPos);
|
|
|
|
}
|
|
|
|
ImmReleaseContext(hwnd, himc);
|
|
}
|
|
|
|
SendMessage(hwnd, WM_SETREDRAW, (WPARAM)TRUE, 0);
|
|
//
|
|
// We want to update the size of label edit just once at
|
|
// each WM_IME_COMPOSITION processing. ReplaceSel causes several EN_UPDATE
|
|
// and it causes ugly flicking too.
|
|
//
|
|
RedrawWindow(hwnd, NULL, NULL, RDW_INTERNALPAINT|RDW_INVALIDATE);
|
|
SetWindowID(plv->hwndEdit, 1);
|
|
ListView_SetEditSize(plv);
|
|
|
|
plv->flags &= ~LVF_INSERTINGCOMP;
|
|
}
|
|
|
|
void NEAR PASCAL ListView_PaintComposition(HWND hwnd, LV * plv)
|
|
{
|
|
BYTE szCompStr[CCHLABELMAX + 1];
|
|
BYTE szCompAttr[CCHLABELMAX + 1];
|
|
|
|
int cchLine, ichLineStart;
|
|
int cbComp = 0;
|
|
int cchComp;
|
|
int nLine;
|
|
int ichCompStart, ichCompEnd;
|
|
DWORD dwSel;
|
|
int cchMax, cchText;
|
|
HIMC himc = (HIMC)0;
|
|
HDC hdc;
|
|
|
|
|
|
if (plv->flags & LVF_INSERTINGCOMP)
|
|
{
|
|
// This is the case that ImmSetCompositionString() generates
|
|
// WM_IME_COMPOSITION. We're not ready to paint composition here.
|
|
return;
|
|
}
|
|
|
|
if (himc = ImmGetContext(hwnd))
|
|
{
|
|
|
|
cbComp=(UINT)ImmGetCompositionString(himc, GCS_COMPSTR, szCompStr, sizeof(szCompStr));
|
|
|
|
ImmGetCompositionString(himc, GCS_COMPATTR, szCompAttr, sizeof(szCompStr));
|
|
ImmReleaseContext(hwnd, himc);
|
|
}
|
|
|
|
if (cbComp)
|
|
{
|
|
|
|
// Get the position of current selection
|
|
//
|
|
if (!(dwSel = PtrToUlong(GetProp(hwnd, szIMECompPos))))
|
|
dwSel = 0L;
|
|
cchMax = (int)SendMessage(hwnd, EM_GETLIMITTEXT, 0, 0);
|
|
cchText = Edit_GetTextLength(hwnd);
|
|
cbComp = min((UINT)cbComp, sizeof(TCHAR)*(cchMax-(cchText-(HIWORD(dwSel)-LOWORD(dwSel)))));
|
|
*(TCHAR *)(&szCompStr[cbComp]) = TEXT('\0');
|
|
|
|
|
|
|
|
/////////////////////////////////////////////////
|
|
// //
|
|
// Draw composition string over the sel string.//
|
|
// //
|
|
/////////////////////////////////////////////////
|
|
|
|
|
|
hdc = GetDC(hwnd);
|
|
|
|
|
|
ichCompStart = LOWORD(dwSel);
|
|
|
|
cchComp = cbComp/sizeof(TCHAR);
|
|
while (ichCompStart < (int)LOWORD(dwSel) + cchComp)
|
|
{
|
|
// Get line from each start pos.
|
|
//
|
|
nLine = Edit_LineFromChar(hwnd, ichCompStart);
|
|
ichLineStart = Edit_LineIndex(hwnd, nLine);
|
|
cchLine= Edit_LineLength(hwnd, ichLineStart);
|
|
|
|
// See if composition string is longer than this line.
|
|
//
|
|
if(ichLineStart+cchLine > (int)LOWORD(dwSel)+cchComp)
|
|
ichCompEnd = LOWORD(dwSel)+cchComp;
|
|
else
|
|
{
|
|
// Yes, the composition string is longer.
|
|
// Take the begining of the next line as next start.
|
|
//
|
|
if (ichLineStart+cchLine > ichCompStart)
|
|
ichCompEnd = ichLineStart+cchLine;
|
|
else
|
|
{
|
|
// If the starting position is not proceeding,
|
|
// let's get out of here.
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Draw the line
|
|
//
|
|
DrawCompositionLine(hwnd, hdc, plv->hfontLabel, (LPTSTR)szCompStr, szCompAttr, ichCompStart, ichCompEnd, LOWORD(dwSel));
|
|
|
|
ichCompStart = ichCompEnd;
|
|
}
|
|
|
|
ReleaseDC(hwnd, hdc);
|
|
// We don't want to repaint the window.
|
|
ValidateRect(hwnd, NULL);
|
|
}
|
|
}
|
|
|
|
#endif FE_IME
|