mirror of https://github.com/lianthony/NT4.0
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
539 lines
14 KiB
539 lines
14 KiB
// list view (small icons, multiple columns)
|
|
|
|
#include "ctlspriv.h"
|
|
#include "listview.h"
|
|
|
|
#define COLUMN_VIEW
|
|
|
|
void NEAR PASCAL ListView_LDrawItem(LV* plv, int i, LISTITEM FAR* pitem, HDC hdc, LPPOINT lpptOrg, RECT FAR* prcClip, UINT fDraw, COLORREF clrText, COLORREF clrTextBk)
|
|
{
|
|
RECT rcIcon;
|
|
RECT rcLabel;
|
|
RECT rcBounds;
|
|
RECT rcT;
|
|
LV_ITEM item;
|
|
TCHAR ach[CCHLABELMAX];
|
|
|
|
#ifdef WINNT_CAIRO
|
|
// moved here to reduce call backs in OWNERDATA case
|
|
//
|
|
item.iItem = i;
|
|
item.iSubItem = 0;
|
|
item.mask = LVIF_TEXT | LVIF_IMAGE | LVIF_STATE;
|
|
item.stateMask = LVIS_ALL;
|
|
item.pszText = ach;
|
|
item.cchTextMax = ARRAYSIZE(ach);
|
|
|
|
ListView_OnGetItem(plv, &item);
|
|
|
|
if (ListView_IsOwnerData( plv ))
|
|
{
|
|
LISTITEM litem;
|
|
|
|
|
|
litem.pszText = item.pszText;
|
|
ListView_GetRectsOwnerData( plv, i, &rcIcon, &rcLabel, &rcBounds, NULL, &litem);
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
ListView_GetRects(plv, i, &rcIcon, &rcLabel, &rcBounds, NULL);
|
|
}
|
|
|
|
if (!prcClip || IntersectRect(&rcT, &rcBounds, prcClip))
|
|
{
|
|
UINT fText;
|
|
|
|
if (lpptOrg)
|
|
{
|
|
OffsetRect(&rcIcon, lpptOrg->x - rcBounds.left,
|
|
lpptOrg->y - rcBounds.top);
|
|
OffsetRect(&rcLabel, lpptOrg->x - rcBounds.left,
|
|
lpptOrg->y - rcBounds.top);
|
|
}
|
|
|
|
#ifndef WINNT_CAIRO
|
|
// moved to above
|
|
//
|
|
item.mask = LVIF_TEXT | LVIF_IMAGE | LVIF_STATE;
|
|
item.iItem = i;
|
|
item.iSubItem = 0;
|
|
item.pszText = ach;
|
|
item.cchTextMax = ARRAYSIZE(ach);
|
|
item.stateMask = LVIS_ALL;
|
|
ListView_OnGetItem(plv, &item);
|
|
#endif
|
|
|
|
fText = ListView_DrawImage(plv, &item, hdc,
|
|
rcIcon.left, rcIcon.top, fDraw) | SHDT_ELLIPSES;
|
|
|
|
// Don't draw the label if it is being edited.
|
|
if (plv->iEdit != i)
|
|
{
|
|
int ItemCxSingleLabel;
|
|
UINT ItemState;
|
|
|
|
#ifdef WINNT_CAIRO
|
|
if (ListView_IsOwnerData( plv ))
|
|
{
|
|
LISTITEM listitem;
|
|
HDC hdc;
|
|
|
|
// calculate lable sizes from iItem
|
|
listitem.pszText = ach;
|
|
hdc = ListView_RecomputeLabelSize( plv, &listitem, i, NULL, TRUE );
|
|
ReleaseDC( HWND_DESKTOP, hdc );
|
|
|
|
ItemCxSingleLabel = listitem.cxSingleLabel;
|
|
ItemState = item.state;
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
ItemCxSingleLabel = pitem->cxSingleLabel;
|
|
ItemState = pitem->state;
|
|
}
|
|
|
|
if (fDraw & LVDI_TRANSTEXT)
|
|
fText |= SHDT_TRANSPARENT;
|
|
|
|
if (ItemCxSingleLabel == SRECOMPUTE) {
|
|
ListView_RecomputeLabelSize(plv, pitem, i, hdc, FALSE);
|
|
ItemCxSingleLabel = pitem->cxSingleLabel;
|
|
}
|
|
|
|
if (ItemCxSingleLabel < rcLabel.right - rcLabel.left)
|
|
rcLabel.right = rcLabel.left + ItemCxSingleLabel;
|
|
|
|
SHDrawText(hdc, item.pszText, &rcLabel, LVCFMT_LEFT, fText,
|
|
plv->cyLabelChar, plv->cxEllipses,
|
|
clrText, clrTextBk);
|
|
|
|
if ((fDraw & LVDI_FOCUS) && (ItemState & LVIS_FOCUSED))
|
|
DrawFocusRect(hdc, &rcLabel);
|
|
}
|
|
}
|
|
}
|
|
|
|
int NEAR ListView_LItemHitTest(LV* plv, int x, int y, UINT FAR* pflags)
|
|
{
|
|
int iHit;
|
|
int i;
|
|
int iCol;
|
|
int xItem; //where is the x in relation to the item
|
|
UINT flags;
|
|
LISTITEM FAR* pitem;
|
|
HDC hdc;
|
|
|
|
flags = LVHT_NOWHERE;
|
|
iHit = -1;
|
|
|
|
#ifdef COLUMN_VIEW
|
|
i = y / plv->cyItem;
|
|
if (i >= 0 && i < plv->cItemCol)
|
|
{
|
|
iCol = (x + plv->xOrigin) / plv->cxItem;
|
|
i += iCol * plv->cItemCol;
|
|
if (i >= 0 && i < ListView_Count(plv))
|
|
{
|
|
iHit = i;
|
|
|
|
xItem = x + plv->xOrigin - iCol * plv->cxItem;
|
|
if (xItem < plv->cxState) {
|
|
flags = LVHT_ONITEMSTATEICON;
|
|
} else if (xItem < (plv->cxState + plv->cxSmIcon)) {
|
|
flags = LVHT_ONITEMICON;
|
|
}
|
|
else
|
|
{
|
|
int ItemCxSingleLabel;
|
|
|
|
#ifdef WINNT_CAIRO
|
|
if (ListView_IsOwnerData( plv ))
|
|
{
|
|
LISTITEM item;
|
|
|
|
// calculate lable sizes from iItem
|
|
hdc = ListView_RecomputeLabelSize( plv, &item, i, NULL, FALSE );
|
|
ReleaseDC( HWND_DESKTOP, hdc );
|
|
ItemCxSingleLabel = item.cxSingleLabel;
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
pitem = ListView_FastGetItemPtr(plv, i);
|
|
if (pitem->cxSingleLabel == SRECOMPUTE)
|
|
{
|
|
hdc = ListView_RecomputeLabelSize(plv, pitem, i, NULL, FALSE);
|
|
ReleaseDC(HWND_DESKTOP, hdc);
|
|
}
|
|
ItemCxSingleLabel = pitem->cxSingleLabel;
|
|
}
|
|
|
|
if (xItem < (plv->cxSmIcon + plv->cxState + ItemCxSingleLabel))
|
|
flags = LVHT_ONITEMLABEL;
|
|
}
|
|
}
|
|
}
|
|
#else
|
|
i = x / plv->cxItem;
|
|
if (i < plv->cItemCol)
|
|
{
|
|
i += ((y + plv->xOrigin) / plv->cyItem) * plv->cItemCol;
|
|
if (i < ListView_Count(plv))
|
|
{
|
|
iHit = i;
|
|
flags = LVHT_ONITEMICON;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
*pflags = flags;
|
|
return iHit;
|
|
}
|
|
|
|
void NEAR ListView_LGetRects(LV* plv, int i, RECT FAR* prcIcon,
|
|
RECT FAR* prcLabel, RECT FAR *prcBounds, RECT FAR* prcSelectBounds)
|
|
{
|
|
RECT rcIcon;
|
|
RECT rcLabel;
|
|
int x, y;
|
|
int cItemCol = plv->cItemCol;
|
|
|
|
if (cItemCol == 0)
|
|
{
|
|
// Called before other data has been initialized so call
|
|
// update scrollbars which should make sure that that
|
|
// we have valid data...
|
|
ListView_UpdateScrollBars(plv);
|
|
|
|
// but it's possible that updatescrollbars did nothing because of
|
|
// LVS_NOSCROLL or redraw
|
|
if (plv->cItemCol == 0)
|
|
cItemCol = 1;
|
|
else
|
|
cItemCol = plv->cItemCol;
|
|
}
|
|
|
|
#ifdef COLUMN_VIEW
|
|
x = (i / cItemCol) * plv->cxItem;
|
|
y = (i % cItemCol) * plv->cyItem;
|
|
rcIcon.left = x - plv->xOrigin + plv->cxState;
|
|
rcIcon.top = y;
|
|
#else
|
|
x = (i % cItemCol) * plv->cxItem;
|
|
y = (i / cItemCol) * plv->cyItem;
|
|
rcIcon.left = x;
|
|
rcIcon.top = y - plv->xOrigin;
|
|
#endif
|
|
|
|
rcIcon.right = rcIcon.left + plv->cxSmIcon;
|
|
rcIcon.bottom = rcIcon.top + plv->cyItem;
|
|
|
|
if (prcIcon)
|
|
*prcIcon = rcIcon;
|
|
|
|
rcLabel.left = rcIcon.right;
|
|
rcLabel.right = rcIcon.left + plv->cxItem - plv->cxState;
|
|
rcLabel.top = rcIcon.top;
|
|
rcLabel.bottom = rcIcon.bottom;
|
|
if (prcLabel)
|
|
*prcLabel = rcLabel;
|
|
|
|
if (prcBounds)
|
|
{
|
|
*prcBounds = rcLabel;
|
|
prcBounds->left = rcIcon.left - plv->cxState;
|
|
}
|
|
|
|
if (prcSelectBounds)
|
|
{
|
|
*prcSelectBounds = rcLabel;
|
|
prcSelectBounds->left = rcIcon.left;
|
|
}
|
|
}
|
|
|
|
|
|
void NEAR ListView_LUpdateScrollBars(LV* plv)
|
|
{
|
|
RECT rcClient;
|
|
int cItemCol;
|
|
int cCol;
|
|
int cColVis;
|
|
SCROLLINFO si;
|
|
|
|
Assert(plv);
|
|
|
|
ListView_GetClientRect(plv, &rcClient, FALSE, NULL);
|
|
|
|
#ifdef COLUMN_VIEW
|
|
cColVis = (rcClient.right - rcClient.left) / plv->cxItem;
|
|
cItemCol = max(1, (rcClient.bottom - rcClient.top) / plv->cyItem);
|
|
#else
|
|
cColVis = (rcClient.bottom - rcClient.top) / plv->cyItem;
|
|
cItemCol = max(1, (rcClient.right - rcClient.left) / plv->cxItem);
|
|
#endif
|
|
|
|
cCol = (ListView_Count(plv) + cItemCol - 1) / cItemCol;
|
|
|
|
// Make the client area smaller as appropriate, and
|
|
// recompute cCol to reflect scroll bar.
|
|
//
|
|
si.cbSize = sizeof(SCROLLINFO);
|
|
si.fMask = SIF_PAGE | SIF_RANGE | SIF_POS;
|
|
si.nPage = cColVis;
|
|
si.nMin = 0;
|
|
|
|
#ifdef COLUMN_VIEW
|
|
rcClient.bottom -= g_cyScrollbar;
|
|
|
|
cItemCol = max(1, (rcClient.bottom - rcClient.top) / plv->cyItem);
|
|
cCol = (ListView_Count(plv) + cItemCol - 1) / cItemCol;
|
|
|
|
si.nPos = plv->xOrigin / plv->cxItem;
|
|
si.nMax = cCol - 1;
|
|
|
|
SetScrollInfo(plv->hwnd, SB_HORZ, &si, TRUE);
|
|
#else
|
|
rcClient.right -= cxScrollBar;
|
|
|
|
cItemCol = max(1, (rcClient.right - rcClient.left) / plv->cxItem);
|
|
cCol = (ListView_Count(plv) + cItemCol - 1) / cItemCol;
|
|
|
|
si.nPos = plv->xOrigin / plv->cyItem;
|
|
si.nMax = cCol - 1;
|
|
|
|
SetScrollInfo(plv->hwnd, SB_VERT, &si, TRUE);
|
|
#endif
|
|
|
|
// Update number of visible lines...
|
|
//
|
|
if (plv->cItemCol != cItemCol)
|
|
{
|
|
plv->cItemCol = cItemCol;
|
|
InvalidateRect(plv->hwnd, NULL, TRUE);
|
|
}
|
|
|
|
// make sure our position and page doesn't hang over max
|
|
if ((si.nPos + (LONG)si.nPage - 1 > si.nMax) && si.nPos > 0) {
|
|
int iNewPos, iDelta;
|
|
iNewPos = (int)si.nMax - (int)si.nPage + 1;
|
|
if (iNewPos < 0) iNewPos = 0;
|
|
if (iNewPos != si.nPos) {
|
|
iDelta = iNewPos - (int)si.nPos;
|
|
#ifdef COLUMN_VIEW
|
|
ListView_LScroll2(plv, iDelta, 0);
|
|
#else
|
|
ListView_LScroll2(plv, 0, iDelta);
|
|
#endif
|
|
ListView_LUpdateScrollBars(plv);
|
|
}
|
|
}
|
|
|
|
// never have the other scrollbar
|
|
#ifdef COLUMN_VIEW
|
|
SetScrollRange(plv->hwnd, SB_VERT, 0, 0, TRUE);
|
|
#else
|
|
SetScrollRange(plv->hwnd, SB_HORZ, 0, 0, TRUE);
|
|
#endif
|
|
}
|
|
|
|
void FAR PASCAL ListView_LScroll2(LV* plv, int dx, int dy)
|
|
{
|
|
#ifdef COLUMN_VIEW
|
|
if (dx)
|
|
{
|
|
dx *= plv->cxItem;
|
|
|
|
plv->xOrigin += dx;
|
|
|
|
ScrollWindowEx(plv->hwnd, -dx, 0, NULL, NULL, NULL, NULL,
|
|
SW_INVALIDATE | SW_ERASE);
|
|
|
|
UpdateWindow(plv->hwnd);
|
|
}
|
|
#else
|
|
if (dy)
|
|
{
|
|
|
|
dy *= plv->cyItem;
|
|
|
|
plv->xOrigin += dy;
|
|
|
|
ScrollWindowEx(plv->hwnd, 0, -dy, NULL, NULL, NULL, NULL,
|
|
SW_INVALIDATE | SW_ERASE);
|
|
UpdateWindow(plv->hwnd);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void NEAR ListView_LOnScroll(LV* plv, UINT code, int posNew)
|
|
{
|
|
RECT rcClient;
|
|
int cPage;
|
|
|
|
if (plv->hwndEdit)
|
|
ListView_DismissEdit(plv, FALSE);
|
|
|
|
ListView_GetClientRect(plv, &rcClient, TRUE, NULL);
|
|
|
|
#ifdef COLUMN_VIEW
|
|
cPage = (rcClient.right - rcClient.left) / plv->cxItem;
|
|
ListView_ComOnScroll(plv, code, posNew, SB_HORZ, 1,
|
|
cPage ? cPage : 1, ListView_LScroll2);
|
|
#else
|
|
cPage = (rcClient.bottom - rcClient.top) / plv->cyItem;
|
|
ListView_ComOnScroll(plv, code, posNew, SB_VERT, 1,
|
|
cPage ? cPage : 1, ListView_LScroll2);
|
|
#endif
|
|
|
|
}
|
|
|
|
#ifdef WINNT_CAIRO
|
|
|
|
//------------------------------------------------------------------------------
|
|
//
|
|
// Function: ListView_LCalcViewItem
|
|
//
|
|
// Summary: This function will calculate which item slot is at the x, y location
|
|
//
|
|
// Arguments:
|
|
// plv [in] - The list View to work with
|
|
// x [in] - The x location
|
|
// y [in] - The y location
|
|
//
|
|
// Returns: the valid slot the point was within.
|
|
//
|
|
// Notes:
|
|
//
|
|
// History:
|
|
// Nov-3-94 MikeMi Created
|
|
//
|
|
//------------------------------------------------------------------------------
|
|
|
|
int ListView_LCalcViewItem( LV* plv, int x, int y )
|
|
{
|
|
int iItem;
|
|
int iRow = 0;
|
|
int iCol = 0;
|
|
|
|
Assert( plv );
|
|
|
|
#ifdef COLUMN_VIEW
|
|
iRow = y / plv->cyItem;
|
|
iRow = max( iRow, 0 );
|
|
iRow = min( iRow, plv->cItemCol - 1 );
|
|
iCol = (x + plv->xOrigin) / plv->cxItem;
|
|
iItem = iRow + iCol * plv->cItemCol;
|
|
|
|
#else
|
|
iCol = x / plv->cxItem;
|
|
iCol = max( iCol, 0 );
|
|
iCol = min( iCol, plv->cItemCol - 1 );
|
|
iRow = (y + plv->xOrigin) / plv->cyItem;
|
|
iItem = iCol + iRow * plv->cItemCol;
|
|
|
|
#endif
|
|
|
|
iItem = max( iItem, 0 );
|
|
iItem = min( iItem, ListView_Count(plv) - 1);
|
|
|
|
return( iItem );
|
|
}
|
|
|
|
#endif // OWNERDATA
|
|
|
|
//------------------------------------------------------------------------------
|
|
// This function will see if the size of column should be changed for the listview
|
|
// It will check to see if the items between first and last exceed the current width
|
|
// and if so will see if the columns are currently big enough. This wont happen
|
|
// if we are not currently in listview or if the caller has set an explicit size.
|
|
//
|
|
// OWNERDATA CHANGE
|
|
// This function is normally called with the complete list range,
|
|
// This will has been changed to be called only with currently visible
|
|
// to the user when in OWNERDATA mode. This will be much more effiencent.
|
|
//
|
|
BOOL FAR PASCAL ListView_MaybeResizeListColumns(LV* plv, int iFirst, int iLast)
|
|
{
|
|
HDC hdc = NULL;
|
|
int cxMaxLabel = 0;
|
|
|
|
if (!ListView_IsListView(plv) || (plv->flags & LVF_COLSIZESET))
|
|
return(FALSE);
|
|
|
|
#ifdef WINNT_CAIRO
|
|
if (ListView_IsOwnerData( plv ))
|
|
{
|
|
int iViewFirst;
|
|
int iViewLast;
|
|
|
|
|
|
iViewFirst = ListView_LCalcViewItem( plv, 1, 1 );
|
|
iViewLast = ListView_LCalcViewItem( plv,
|
|
plv->sizeClient.cx - 1,
|
|
plv->sizeClient.cy - 1 );
|
|
if ((iLast - iFirst) > (iViewLast - iViewFirst))
|
|
{
|
|
iFirst = max( iFirst, iViewFirst );
|
|
iLast = min( iLast, iViewLast );
|
|
}
|
|
|
|
iLast = min( ListView_Count( plv ), iLast );
|
|
iFirst = max( 0, iFirst );
|
|
iLast = max( iLast, iFirst );
|
|
|
|
ListView_NotifyCacheHint( plv, iFirst, iLast );
|
|
}
|
|
#endif
|
|
|
|
while (iFirst <= iLast)
|
|
{
|
|
LISTITEM FAR* pitem;
|
|
|
|
#ifdef WINNT_CAIRO
|
|
LISTITEM item;
|
|
|
|
if (ListView_IsOwnerData( plv ))
|
|
{
|
|
pitem = &item;
|
|
pitem->cxSingleLabel = SRECOMPUTE;
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
pitem = ListView_FastGetItemPtr(plv, iFirst);
|
|
}
|
|
|
|
if (pitem->cxSingleLabel == SRECOMPUTE)
|
|
{
|
|
hdc = ListView_RecomputeLabelSize(plv, pitem, iFirst, hdc, FALSE);
|
|
}
|
|
|
|
if (pitem->cxSingleLabel > cxMaxLabel)
|
|
cxMaxLabel = pitem->cxSingleLabel;
|
|
|
|
iFirst++;
|
|
}
|
|
if (hdc)
|
|
ReleaseDC(HWND_DESKTOP, hdc);
|
|
|
|
// We have the max label width, see if this plus the rest of the slop will
|
|
// cause us to want to resize.
|
|
//
|
|
cxMaxLabel += plv->cxSmIcon + g_cxIconMargin + plv->cxState;
|
|
if (cxMaxLabel > g_cxScreen)
|
|
cxMaxLabel = g_cxScreen;
|
|
|
|
// Now see if we should resize the columns...
|
|
if (cxMaxLabel > plv->cxItem)
|
|
{
|
|
int iScroll = plv->xOrigin / plv->cxItem;
|
|
DebugMsg(DM_TRACE, TEXT("LV Resize Columns: %d"), cxMaxLabel);
|
|
ListView_ISetColumnWidth(plv, 0, cxMaxLabel, FALSE);
|
|
plv->xOrigin = iScroll * plv->cxItem;
|
|
return(TRUE);
|
|
}
|
|
|
|
return(FALSE);
|
|
}
|