Avoid division by 0 by initializing the item size in on creation.

Rename update_icon_size to set_icon_size, fix parameters order.
Assorted cleanups.
This commit is contained in:
Dimitrie O. Paun 2002-10-23 23:32:50 +00:00 committed by Alexandre Julliard
parent 5ffde298fe
commit 89ab25a737

View file

@ -6400,7 +6400,7 @@ static DWORD LISTVIEW_SetIconSpacing(LISTVIEW_INFO *infoPtr, DWORD spacing)
return oldspacing;
}
inline void update_icon_size(HIMAGELIST himl, BOOL small, SIZE *size)
inline void set_icon_size(SIZE *size, HIMAGELIST himl, BOOL small)
{
INT cx, cy;
@ -6440,20 +6440,20 @@ static HIMAGELIST LISTVIEW_SetImageList(LISTVIEW_INFO *infoPtr, INT nType, HIMAG
case LVSIL_NORMAL:
himlOld = infoPtr->himlNormal;
infoPtr->himlNormal = himl;
if (uView == LVS_ICON) update_icon_size(himl, FALSE, &infoPtr->iconSize);
if (uView == LVS_ICON) set_icon_size(&infoPtr->iconSize, himl, FALSE);
LISTVIEW_SetIconSpacing(infoPtr, 0);
break;
case LVSIL_SMALL:
himlOld = infoPtr->himlSmall;
infoPtr->himlSmall = himl;
if (uView != LVS_ICON) update_icon_size(himl, TRUE, &infoPtr->iconSize);
if (uView != LVS_ICON) set_icon_size(&infoPtr->iconSize, himl, TRUE);
break;
case LVSIL_STATE:
himlOld = infoPtr->himlState;
infoPtr->himlState = himl;
update_icon_size(himl, TRUE, &infoPtr->iconStateSize);
set_icon_size(&infoPtr->iconStateSize, himl, TRUE);
ImageList_SetBkColor(infoPtr->himlState, CLR_NONE);
break;
@ -6892,6 +6892,7 @@ static LRESULT LISTVIEW_Create(HWND hwnd, LPCREATESTRUCTW lpcs)
infoPtr->iconSpacing.cx = GetSystemMetrics(SM_CXICONSPACING);
infoPtr->iconSpacing.cy = GetSystemMetrics(SM_CYICONSPACING);
infoPtr->nEditLabelItem = -1;
infoPtr->dwHoverTime = -1; /* default system hover time */
/* get default font (icon title) */
SystemParametersInfoW(SPI_GETICONTITLELOGFONT, 0, &logFont, 0);
@ -6914,14 +6915,21 @@ static LRESULT LISTVIEW_Create(HWND hwnd, LPCREATESTRUCTW lpcs)
/* allocate memory for the selection ranges */
if (!(infoPtr->selectionRanges = ranges_create(10))) return -1;
/* allocate memory for the data structure */
/* FIXME: what if we fail? */
infoPtr->hdpaItems = DPA_Create(10);
infoPtr->hdpaPosX = DPA_Create(10);
infoPtr->hdpaPosY = DPA_Create(10);
infoPtr->hdpaColumns = DPA_Create(10);
if (uView == LVS_ICON)
{
infoPtr->iconSize.cx = GetSystemMetrics(SM_CXICON);
infoPtr->iconSize.cy = GetSystemMetrics(SM_CYICON);
}
else if (uView == LVS_REPORT)
/* initialize the icon sizes */
set_icon_size(&infoPtr->iconSize, infoPtr->himlNormal, uView != LVS_ICON);
set_icon_size(&infoPtr->iconStateSize, infoPtr->himlState, TRUE);
/* init item size to avoid division by 0 */
LISTVIEW_UpdateItemSize (infoPtr);
if (uView == LVS_REPORT)
{
if (!(LVS_NOCOLUMNHEADER & lpcs->style))
{
@ -6933,27 +6941,7 @@ static LRESULT LISTVIEW_Create(HWND hwnd, LPCREATESTRUCTW lpcs)
SetWindowLongW(infoPtr->hwndHeader, GWL_STYLE,
GetWindowLongW(infoPtr->hwndHeader, GWL_STYLE) | HDS_HIDDEN);
}
infoPtr->iconSize.cx = GetSystemMetrics(SM_CXSMICON);
infoPtr->iconSize.cy = GetSystemMetrics(SM_CYSMICON);
}
else
{
infoPtr->iconSize.cx = GetSystemMetrics(SM_CXSMICON);
infoPtr->iconSize.cy = GetSystemMetrics(SM_CYSMICON);
}
infoPtr->iconStateSize.cx = GetSystemMetrics(SM_CXSMICON);
infoPtr->iconStateSize.cy = GetSystemMetrics(SM_CYSMICON);
/* allocate memory for the data structure */
infoPtr->hdpaItems = DPA_Create(10);
infoPtr->hdpaPosX = DPA_Create(10);
infoPtr->hdpaPosY = DPA_Create(10);
/* initialize the hover time to -1(indicating the default system hover time) */
infoPtr->dwHoverTime = -1;
return 0;
}
@ -8102,7 +8090,7 @@ static INT LISTVIEW_StyleChanged(LISTVIEW_INFO *infoPtr, WPARAM wStyleType,
SetRectEmpty(&infoPtr->rcFocus);
himl = (uNewView == LVS_ICON ? infoPtr->himlNormal : infoPtr->himlSmall);
update_icon_size(himl, uNewView != LVS_ICON, &infoPtr->iconSize);
set_icon_size(&infoPtr->iconSize, himl, uNewView != LVS_ICON);
if (uNewView == LVS_ICON)
{