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Complete rewrite of the rcView implementation.

Browse Source 
Lots of bugs fixed in rcView computation.
Assorted cleanups, and simplifications.
This commit is contained in:
Dimitrie O. Paun 2002-10-21 19:46:08 +00:00 committed by Alexandre Julliard
parent c9e0133357
commit 6deae0b86d
1 changed files with 98 additions and 113 deletions
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211
dlls/comctl32/listview.c
View File

@ -211,7 +211,6 @@ typedef struct tagLISTVIEW_INFO
* LISTVIEW_UpdateSize. This rectangle offset
* by the LISTVIEW_GetOrigin value is in
* client coordinates */
RECT rcView; /* This rectangle contains all items */
SIZE iconSize;
SIZE iconSpacing;
SIZE iconStateSize;
@ -319,17 +318,13 @@ typedef struct tagLISTVIEW_INFO
TRACE("hwndSelf=%08x, clrBk=0x%06lx, clrText=0x%06lx, clrTextBk=0x%06lx, ItemHeight=%d, ItemWidth=%d, Style=0x%08lx\n", \
iP->hwndSelf, iP->clrBk, iP->clrText, iP->clrTextBk, \
iP->nItemHeight, iP->nItemWidth, infoPtr->dwStyle); \
TRACE("hwndSelf=%08x, himlNor=%p, himlSml=%p, himlState=%p, Focused=%d, Hot=%d, exStyle=0x%08lx, Focus=%s\n", \
TRACE("hwndSelf=%08x, himlNor=%p, himlSml=%p, himlState=%p, Focused=%d, Hot=%d, exStyle=0x%08lx, Focus=%d\n", \
iP->hwndSelf, iP->himlNormal, iP->himlSmall, iP->himlState, \
iP->nFocusedItem, iP->nHotItem, iP->dwLvExStyle, \
(iP->bFocus) ? "true" : "false"); \
iP->nFocusedItem, iP->nHotItem, iP->dwLvExStyle, iP->bFocus ); \
TRACE("hwndSelf=%08x, ntmH=%d, icSz.cx=%ld, icSz.cy=%ld, icSp.cx=%ld, icSp.cy=%ld, notifyFmt=%d\n", \
iP->hwndSelf, iP->ntmHeight, iP->iconSize.cx, iP->iconSize.cy, \
iP->iconSpacing.cx, iP->iconSpacing.cy, iP->notifyFormat); \
TRACE("hwndSelf=%08x, rcList=(%d,%d)-(%d,%d), rcView=(%d,%d)-(%d,%d)\n", \
iP->hwndSelf, \
iP->rcList.left, iP->rcList.top, iP->rcList.right, iP->rcList.bottom, \
iP->rcView.left, iP->rcView.top, iP->rcView.right, iP->rcView.bottom); \
TRACE("hwndSelf=%08x, rcList=%s\n", iP->hwndSelf, debugrect(&iP->rcList)); \
} while(0)
@ -338,7 +333,6 @@ typedef struct tagLISTVIEW_INFO
*/
static BOOL LISTVIEW_GetItemT(LISTVIEW_INFO *, LPLVITEMW, BOOL);
static void LISTVIEW_GetItemBox(LISTVIEW_INFO *, INT, LPRECT);
static void LISTVIEW_AddGroupSelection(LISTVIEW_INFO *, INT);
static void LISTVIEW_GetItemOrigin(LISTVIEW_INFO *, INT, LPPOINT);
static BOOL LISTVIEW_GetItemPosition(LISTVIEW_INFO *, INT, LPPOINT);
static BOOL LISTVIEW_GetItemRect(LISTVIEW_INFO *, INT, LPRECT);
@ -351,7 +345,6 @@ static BOOL LISTVIEW_SetItemPosition(LISTVIEW_INFO *, INT, POINT);
static void LISTVIEW_UpdateScroll(LISTVIEW_INFO *);
static void LISTVIEW_SetSelection(LISTVIEW_INFO *, INT);
static BOOL LISTVIEW_UpdateSize(LISTVIEW_INFO *);
static void LISTVIEW_UnsupportedStyles(LONG);
static HWND LISTVIEW_EditLabelT(LISTVIEW_INFO *, INT, BOOL);
static LRESULT LISTVIEW_Command(LISTVIEW_INFO *, WPARAM, LPARAM);
static BOOL LISTVIEW_SortItems(LISTVIEW_INFO *, PFNLVCOMPARE, LPARAM);
@ -1580,33 +1573,6 @@ static void LISTVIEW_InvalidateSelectedItems(LISTVIEW_INFO *infoPtr)
}
/***
* DESCRIPTION:
* Prints a message for unsupported window styles.
* A kind of TODO list for window styles.
*
* PARAMETER(S):
* [I] lStyle : window style
*
* RETURN:
* None
*/
static void LISTVIEW_UnsupportedStyles(LONG lStyle)
{
if ((LVS_TYPESTYLEMASK & lStyle) == LVS_NOSCROLL)
FIXME(" LVS_NOSCROLL\n");
if (lStyle & LVS_NOLABELWRAP)
FIXME(" LVS_NOLABELWRAP\n");
if (lStyle & LVS_SORTASCENDING)
FIXME(" LVS_SORTASCENDING\n");
if (lStyle & LVS_SORTDESCENDING)
FIXME(" LVS_SORTDESCENDING\n");
}
/***
* DESCRIPTION: [INTERNAL]
* Computes an item's (left,top) corner, relative to rcView.
@ -1949,7 +1915,6 @@ static void LISTVIEW_AlignTop(LISTVIEW_INFO *infoPtr)
UINT uView = infoPtr->dwStyle & LVS_TYPEMASK;
INT nListWidth = infoPtr->rcList.right - infoPtr->rcList.left;
POINT ptItem;
RECT rcView;
INT i, off_x=0, off_y=0;
if ((uView == LVS_SMALLICON) || (uView == LVS_ICON))
@ -1963,7 +1928,6 @@ static void LISTVIEW_AlignTop(LISTVIEW_INFO *infoPtr)
}
ptItem.x = off_x;
ptItem.y = off_y;
ZeroMemory(&rcView, sizeof(RECT));
TRACE("Icon off.x=%d, off.y=%d, left=%d, right=%d\n",
off_x, off_y,
infoPtr->rcList.left, infoPtr->rcList.right);
@ -1980,11 +1944,7 @@ static void LISTVIEW_AlignTop(LISTVIEW_INFO *infoPtr)
LISTVIEW_SetItemPosition(infoPtr, i, ptItem);
ptItem.x += infoPtr->nItemWidth;
rcView.right = max(rcView.right, ptItem.x);
}
rcView.right -= off_x;
rcView.bottom = (ptItem.y-off_y) + infoPtr->nItemHeight;
}
else
{
@ -1993,12 +1953,7 @@ static void LISTVIEW_AlignTop(LISTVIEW_INFO *infoPtr)
LISTVIEW_SetItemPosition(infoPtr, i, ptItem);
ptItem.y += infoPtr->nItemHeight;
}
rcView.right = infoPtr->nItemWidth;
rcView.bottom = ptItem.y-off_y;
}
infoPtr->rcView = rcView;
}
}
@ -2017,7 +1972,6 @@ static void LISTVIEW_AlignLeft(LISTVIEW_INFO *infoPtr)
UINT uView = infoPtr->dwStyle & LVS_TYPEMASK;
INT nListHeight = infoPtr->rcList.bottom - infoPtr->rcList.top;
POINT ptItem;
RECT rcView;
INT i, off_x=0, off_y=0;
if ((uView == LVS_SMALLICON) || (uView == LVS_ICON))
@ -2031,7 +1985,6 @@ static void LISTVIEW_AlignLeft(LISTVIEW_INFO *infoPtr)
}
ptItem.x = off_x;
ptItem.y = off_y;
ZeroMemory(&rcView, sizeof(RECT));
TRACE("Icon off.x=%d, off.y=%d\n", off_x, off_y);
if (nListHeight > infoPtr->nItemHeight)
@ -2046,10 +1999,7 @@ static void LISTVIEW_AlignLeft(LISTVIEW_INFO *infoPtr)
LISTVIEW_SetItemPosition(infoPtr, i, ptItem);
ptItem.y += infoPtr->nItemHeight;
rcView.bottom = max(rcView.bottom, ptItem.y);
}
rcView.right = ptItem.x + infoPtr->nItemWidth;
}
else
{
@ -2058,16 +2008,62 @@ static void LISTVIEW_AlignLeft(LISTVIEW_INFO *infoPtr)
LISTVIEW_SetItemPosition(infoPtr, i, ptItem);
ptItem.x += infoPtr->nItemWidth;
}
rcView.bottom = infoPtr->nItemHeight;
rcView.right = ptItem.x;
}
infoPtr->rcView = rcView;
}
}
/***
* DESCRIPTION:
* Retrieves the bounding rectangle of all the items, not offset by Origin.
*
* PARAMETER(S):
* [I] infoPtr : valid pointer to the listview structure
* [O] lprcView : bounding rectangle
*
* RETURN:
* SUCCESS : TRUE
* FAILURE : FALSE
*/
static void LISTVIEW_GetAreaRect(LISTVIEW_INFO *infoPtr, LPRECT lprcView)
{
INT i, x, y;
SetRectEmpty(lprcView);
switch (infoPtr->dwStyle & LVS_TYPEMASK)
{
case LVS_ICON:
case LVS_SMALLICON:
for (i = 0; i < infoPtr->nItemCount; i++)
{
x = (LONG)DPA_GetPtr(infoPtr->hdpaPosX, i);
y = (LONG)DPA_GetPtr(infoPtr->hdpaPosX, i);
lprcView->right = max(lprcView->right, x);
lprcView->bottom = max(lprcView->bottom, y);
}
if (infoPtr->nItemCount > 0)
{
lprcView->right += infoPtr->nItemWidth;
lprcView->bottom += infoPtr->nItemHeight;
}
break;
case LVS_LIST:
y = LISTVIEW_GetCountPerColumn(infoPtr);
x = infoPtr->nItemCount / y;
if (infoPtr->nItemCount % y) x++;
lprcView->right = x * infoPtr->nItemWidth;
lprcView->bottom = y * infoPtr->nItemHeight;
break;
case LVS_REPORT:
lprcView->right = infoPtr->nItemWidth;
lprcView->bottom = infoPtr->nItemCount * infoPtr->nItemHeight;
break;
}
}
/***
* DESCRIPTION:
* Retrieves the bounding rectangle of all the items.
@ -2087,10 +2083,9 @@ static BOOL LISTVIEW_GetViewRect(LISTVIEW_INFO *infoPtr, LPRECT lprcView)
TRACE("(lprcView=%p)\n", lprcView);
if (!lprcView) return FALSE;
LISTVIEW_GetOrigin(infoPtr, &ptOrigin);
*lprcView = infoPtr->rcView;
LISTVIEW_GetAreaRect(infoPtr, lprcView);
OffsetRect(lprcView, ptOrigin.x, ptOrigin.y);
TRACE("lprcView=%s\n", debugrect(lprcView));
@ -2736,26 +2731,24 @@ static void LISTVIEW_ShiftIndices(LISTVIEW_INFO *infoPtr, INT nItem, INT directi
*/
static void LISTVIEW_AddGroupSelection(LISTVIEW_INFO *infoPtr, INT nItem)
{
INT nFirst = min(infoPtr->nSelectionMark, nItem);
INT nLast = max(infoPtr->nSelectionMark, nItem);
INT i;
LVITEMW item;
INT nFirst = min(infoPtr->nSelectionMark, nItem);
INT nLast = max(infoPtr->nSelectionMark, nItem);
INT i;
LVITEMW item;
if (nFirst == -1)
nFirst = nItem;
if (nFirst == -1) nFirst = nItem;
item.state = LVIS_SELECTED;
item.stateMask = LVIS_SELECTED;
item.state = LVIS_SELECTED;
item.stateMask = LVIS_SELECTED;
/* FIXME: this is not correct LVS_OWNERDATA
* See docu for LVN_ITEMCHANGED. Is there something similar for
* RemoveGroupSelection (is there such a thing?)?
*/
for (i = nFirst; i <= nLast; i++)
LISTVIEW_SetItemState(infoPtr,i,&item);
LISTVIEW_SetItemFocus(infoPtr, nItem);
infoPtr->nSelectionMark = nItem;
/* FIXME: this is not correct LVS_OWNERDATA
* setting the item states individually will generate
* a LVN_ITEMCHANGED notification for each one. Instead,
* we have to send a LVN_ODSTATECHANGED notification.
* See MSDN documentation for LVN_ITEMCHANGED.
*/
for (i = nFirst; i <= nLast; i++)
LISTVIEW_SetItemState(infoPtr,i,&item);
}
@ -4378,6 +4371,7 @@ static INT LISTVIEW_FindItemW(LISTVIEW_INFO *infoPtr, INT nStart,
(uView == LVS_ICON || uView ==LVS_SMALLICON))
{
POINT Origin;
RECT rcArea;
FIXME("LVFI_NEARESTXY is slow.\n");
LISTVIEW_GetOrigin(infoPtr, &Origin);
@ -4390,9 +4384,13 @@ static INT LISTVIEW_FindItemW(LISTVIEW_INFO *infoPtr, INT nStart,
case VK_RIGHT: Destination.x += infoPtr->nItemWidth; break;
case VK_LEFT: Destination.x -= infoPtr->nItemWidth; break;
case VK_HOME: Destination.x = Destination.y = 0; break;
case VK_END: Destination.x = infoPtr->rcView.right; Destination.y = infoPtr->rcView.bottom; break;
case VK_NEXT: Destination.y += infoPtr->rcList.bottom - infoPtr->rcList.top; break;
case VK_PRIOR: Destination.y -= infoPtr->rcList.bottom - infoPtr->rcList.top; break;
case VK_END:
LISTVIEW_GetAreaRect(infoPtr, &rcArea);
Destination.x = rcArea.right;
Destination.y = rcArea.bottom;
break;
default: ERR("Unknown vkDirection=%d\n", lpFindInfo->vkDirection);
}
bNearest = TRUE;
@ -4474,15 +4472,15 @@ again:
static INT LISTVIEW_FindItemA(LISTVIEW_INFO *infoPtr, INT nStart,
LPLVFINDINFOA lpFindInfo)
{
BOOL hasText = lpFindInfo->flags & (LVFI_STRING | LVFI_PARTIAL);
LVFINDINFOW fiw;
INT res;
BOOL hasText = lpFindInfo->flags & (LVFI_STRING | LVFI_PARTIAL);
LVFINDINFOW fiw;
INT res;
memcpy(&fiw, lpFindInfo, sizeof(fiw));
if (hasText) fiw.psz = textdupTtoW((LPCWSTR)lpFindInfo->psz, FALSE);
res = LISTVIEW_FindItemW(infoPtr, nStart, &fiw);
if (hasText) textfreeT((LPWSTR)fiw.psz, FALSE);
return res;
memcpy(&fiw, lpFindInfo, sizeof(fiw));
if (hasText) fiw.psz = textdupTtoW((LPCWSTR)lpFindInfo->psz, FALSE);
res = LISTVIEW_FindItemW(infoPtr, nStart, &fiw);
if (hasText) textfreeT((LPWSTR)fiw.psz, FALSE);
return res;
}
/***
@ -4624,30 +4622,19 @@ static INT LISTVIEW_GetColumnWidth(LISTVIEW_INFO *infoPtr, INT nColumn)
*/
static INT LISTVIEW_GetCountPerPage(LISTVIEW_INFO *infoPtr)
{
UINT uView = infoPtr->dwStyle & LVS_TYPEMASK;
INT nItemCount = 0;
if (uView == LVS_LIST)
{
if (infoPtr->rcList.right > infoPtr->nItemWidth)
switch (infoPtr->dwStyle & LVS_TYPEMASK)
{
nItemCount = LISTVIEW_GetCountPerRow(infoPtr) *
LISTVIEW_GetCountPerColumn(infoPtr);
case LVS_ICON:
case LVS_SMALLICON:
return infoPtr->nItemCount;
case LVS_REPORT:
return LISTVIEW_GetCountPerColumn(infoPtr);
case LVS_LIST:
return LISTVIEW_GetCountPerRow(infoPtr) * LISTVIEW_GetCountPerColumn(infoPtr);
}
}
else if (uView == LVS_REPORT)
{
nItemCount = LISTVIEW_GetCountPerColumn(infoPtr);
}
else
{
nItemCount = infoPtr->nItemCount;
}
return nItemCount;
assert(FALSE);
}
/***
* DESCRIPTION:
* Retrieves an image list handle.
@ -6945,9 +6932,6 @@ static LRESULT LISTVIEW_Create(HWND hwnd, LPCREATESTRUCTW lpcs)
infoPtr->iconStateSize.cx = GetSystemMetrics(SM_CXSMICON);
infoPtr->iconStateSize.cy = GetSystemMetrics(SM_CYSMICON);
/* display unsupported listview window styles */
LISTVIEW_UnsupportedStyles(lpcs->style);
/* allocate memory for the data structure */
infoPtr->hdpaItems = DPA_Create(10);
infoPtr->hdpaPosX = DPA_Create(10);
@ -7465,7 +7449,11 @@ static LRESULT LISTVIEW_LButtonDown(LISTVIEW_INFO *infoPtr, WORD wKey, POINTS pt
if ((wKey & MK_CONTROL) && (wKey & MK_SHIFT))
{
if (bGroupSelect)
{
LISTVIEW_AddGroupSelection(infoPtr, nItem);
LISTVIEW_SetItemFocus(infoPtr, nItem);
infoPtr->nSelectionMark = nItem;
}
else
{
LVITEMW item;
@ -8135,9 +8123,6 @@ static INT LISTVIEW_StyleChanged(LISTVIEW_INFO *infoPtr, WPARAM wStyleType,
/* invalidate client area + erase background */
LISTVIEW_InvalidateList(infoPtr);
/* print the list of unsupported window styles */
LISTVIEW_UnsupportedStyles(lpss->styleNew);
return 0;
}