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Generate custom draw notifications for ownerdraw listviews (based on a 

patch by Maxime Bellengé).
Reorganize the custom draw code for better reuse.
This commit is contained in:
Dimitrie O. Paun 2003-04-30 00:49:44 +00:00 committed by Alexandre Julliard
parent 7b55bc45eb
commit dfdeaaf922
1 changed files with 75 additions and 41 deletions
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116
dlls/comctl32/listview.c
View File

@ -849,21 +849,73 @@ static BOOL notify_dispinfoT(LISTVIEW_INFO *infoPtr, INT notificationCode, LPNML
return bResult;
}
static void customdraw_fill(NMLVCUSTOMDRAW *lpnmlvcd, LISTVIEW_INFO *infoPtr, HDC hdc, const RECT *rcBounds)
static void customdraw_fill(NMLVCUSTOMDRAW *lpnmlvcd, LISTVIEW_INFO *infoPtr, HDC hdc,
const RECT *rcBounds, const LVITEMW *lplvItem)
{
ZeroMemory(lpnmlvcd, sizeof(NMLVCUSTOMDRAW));
lpnmlvcd->nmcd.hdc = hdc;
lpnmlvcd->nmcd.rc = *rcBounds;
lpnmlvcd->clrTextBk = infoPtr->clrTextBk;
lpnmlvcd->clrText = infoPtr->clrText;
if (!lplvItem) return;
lpnmlvcd->nmcd.dwItemSpec = lplvItem->iItem;
lpnmlvcd->iSubItem = lplvItem->iSubItem;
if (lplvItem->state & LVIS_SELECTED) lpnmlvcd->nmcd.uItemState |= CDIS_SELECTED;
if (lplvItem->state & LVIS_FOCUSED) lpnmlvcd->nmcd.uItemState |= CDIS_FOCUS;
if (lplvItem->iItem == infoPtr->nHotItem) lpnmlvcd->nmcd.uItemState |= CDIS_HOT;
lpnmlvcd->nmcd.lItemlParam = lplvItem->lParam;
}
static inline DWORD notify_customdraw (LISTVIEW_INFO *infoPtr, DWORD dwDrawStage, NMLVCUSTOMDRAW *lpnmlvcd)
{
lpnmlvcd->nmcd.dwDrawStage = dwDrawStage;
if (lpnmlvcd->nmcd.dwItemSpec) lpnmlvcd->nmcd.dwDrawStage |= CDDS_ITEM;
return notify_hdr(infoPtr, NM_CUSTOMDRAW, &lpnmlvcd->nmcd.hdr);
}
static DWORD notify_prepaint (LISTVIEW_INFO *infoPtr, HDC hdc, NMLVCUSTOMDRAW *lpnmlvcd)
{
BOOL isSelected = lpnmlvcd->nmcd.uItemState & CDIS_SELECTED;
DWORD cditemmode = notify_customdraw(infoPtr, CDDS_PREPAINT, lpnmlvcd);
if (cditemmode & CDRF_SKIPDEFAULT) return cditemmode;
/* apprently, for selected items, we have to override the returned values */
if (isSelected)
{
if (infoPtr->bFocus)
{
lpnmlvcd->clrTextBk = comctl32_color.clrHighlight;
lpnmlvcd->clrText = comctl32_color.clrHighlightText;
}
else if (infoPtr->dwStyle & LVS_SHOWSELALWAYS)
{
lpnmlvcd->clrTextBk = comctl32_color.clr3dFace;
lpnmlvcd->clrText = comctl32_color.clrBtnText;
}
}
/* Set the text attributes */
if (lpnmlvcd->clrTextBk != CLR_NONE)
{
SetBkMode(hdc, OPAQUE);
if (lpnmlvcd->clrTextBk == CLR_DEFAULT)
SetBkColor(hdc, infoPtr->clrTextBkDefault);
else
SetBkColor(hdc,lpnmlvcd->clrTextBk);
}
else
SetBkMode(hdc, TRANSPARENT);
SetTextColor(hdc, lpnmlvcd->clrText);
return cditemmode;
}
static inline DWORD notify_postpaint (LISTVIEW_INFO *infoPtr, NMLVCUSTOMDRAW *lpnmlvcd)
{
return notify_customdraw(infoPtr, CDDS_POSTPAINT, lpnmlvcd);
}
/******** Item iterator functions **********************************/
static RANGES ranges_create(int count);
@ -3504,33 +3556,12 @@ static BOOL LISTVIEW_DrawItem(LISTVIEW_INFO *infoPtr, HDC hdc, INT nItem, INT nS
debugrect(&rcBox), debugrect(&rcState), debugrect(&rcIcon), debugrect(&rcLabel));
/* fill in the custom draw structure */
customdraw_fill(&nmlvcd, infoPtr, hdc, &rcBox);
nmlvcd.nmcd.dwItemSpec = lvItem.iItem;
nmlvcd.iSubItem = lvItem.iSubItem;
if (lvItem.state & LVIS_SELECTED) nmlvcd.nmcd.uItemState |= CDIS_SELECTED;
if (lvItem.state & LVIS_FOCUSED) nmlvcd.nmcd.uItemState |= CDIS_FOCUS;
if (lvItem.iItem == infoPtr->nHotItem) nmlvcd.nmcd.uItemState |= CDIS_HOT;
nmlvcd.nmcd.lItemlParam = lvItem.lParam;
customdraw_fill(&nmlvcd, infoPtr, hdc, &rcBox, &lvItem);
if (cdmode & CDRF_NOTIFYITEMDRAW)
cditemmode = notify_customdraw (infoPtr, CDDS_ITEMPREPAINT, &nmlvcd);
cditemmode = notify_prepaint (infoPtr, hdc, &nmlvcd);
if (cditemmode & CDRF_SKIPDEFAULT) goto postpaint;
/* apprently, for selected items, we have to override the returned values */
if (lvItem.state & LVIS_SELECTED)
{
if (infoPtr->bFocus)
{
nmlvcd.clrTextBk = comctl32_color.clrHighlight;
nmlvcd.clrText = comctl32_color.clrHighlightText;
}
else if (infoPtr->dwStyle & LVS_SHOWSELALWAYS)
{
nmlvcd.clrTextBk = comctl32_color.clr3dFace;
nmlvcd.clrText = comctl32_color.clrBtnText;
}
}
/* in full row select, subitems, will just use main item's colors */
if (nSubItem && uView == LVS_REPORT && (infoPtr->dwLvExStyle & LVS_EX_FULLROWSELECT))
nmlvcd.clrTextBk = CLR_NONE;
@ -3558,16 +3589,6 @@ static BOOL LISTVIEW_DrawItem(LISTVIEW_INFO *infoPtr, HDC hdc, INT nItem, INT nS
/* Don't bother painting item being edited */
if (infoPtr->hwndEdit && nItem == infoPtr->nEditLabelItem && nSubItem == 0) goto postpaint;
/* Set the text attributes */
if (nmlvcd.clrTextBk != CLR_NONE)
{
SetBkMode(hdc, OPAQUE);
SetBkColor(hdc, nmlvcd.clrTextBk == CLR_DEFAULT ? infoPtr->clrTextBkDefault : nmlvcd.clrTextBk);
}
else
SetBkMode(hdc, TRANSPARENT);
SetTextColor(hdc, nmlvcd.clrText);
/* draw the selection background, if we're drawing the main item */
if (nSubItem == 0)
{
@ -3603,7 +3624,7 @@ static BOOL LISTVIEW_DrawItem(LISTVIEW_INFO *infoPtr, HDC hdc, INT nItem, INT nS
postpaint:
if (cditemmode & CDRF_NOTIFYPOSTPAINT)
notify_customdraw(infoPtr, CDDS_ITEMPOSTPAINT, &nmlvcd);
notify_postpaint(infoPtr, &nmlvcd);
return TRUE;
}
@ -3618,10 +3639,12 @@ postpaint:
* RETURN:
* None
*/
static void LISTVIEW_RefreshOwnerDraw(LISTVIEW_INFO *infoPtr, ITERATOR *i, HDC hdc)
static void LISTVIEW_RefreshOwnerDraw(LISTVIEW_INFO *infoPtr, ITERATOR *i, HDC hdc, DWORD cdmode)
{
UINT uID = GetWindowLongW(infoPtr->hwndSelf, GWL_ID);
HWND hwndParent = GetParent(infoPtr->hwndSelf);
DWORD cditemmode = CDRF_DODEFAULT;
NMLVCUSTOMDRAW nmlvcd;
POINT Origin, Position;
DRAWITEMSTRUCT dis;
LVITEMW item;
@ -3659,7 +3682,18 @@ static void LISTVIEW_RefreshOwnerDraw(LISTVIEW_INFO *infoPtr, ITERATOR *i, HDC h
dis.itemData = item.lParam;
TRACE("item=%s, rcItem=%s\n", debuglvitem_t(&item, TRUE), debugrect(&dis.rcItem));
SendMessageW(hwndParent, WM_DRAWITEM, dis.CtlID, (LPARAM)&dis);
if (cdmode & CDRF_NOTIFYITEMDRAW)
{
customdraw_fill(&nmlvcd, infoPtr, hdc, &dis.rcItem, &item);
cditemmode = notify_prepaint (infoPtr, hdc, &nmlvcd);
}
if (!(cditemmode & CDRF_SKIPDEFAULT))
SendMessageW(hwndParent, WM_DRAWITEM, dis.CtlID, (LPARAM)&dis);
if (cditemmode & CDRF_NOTIFYPOSTPAINT)
notify_postpaint(infoPtr, &nmlvcd);
}
}
@ -3800,8 +3834,8 @@ static void LISTVIEW_Refresh(LISTVIEW_INFO *infoPtr, HDC hdc)
oldClrText = infoPtr->clrText;
GetClientRect(infoPtr->hwndSelf, &rcClient);
customdraw_fill(&nmlvcd, infoPtr, hdc, &rcClient);
cdmode = notify_customdraw(infoPtr, CDDS_PREPAINT, &nmlvcd);
customdraw_fill(&nmlvcd, infoPtr, hdc, &rcClient, 0);
cdmode = notify_prepaint(infoPtr, hdc, &nmlvcd);
if (cdmode & CDRF_SKIPDEFAULT) goto enddraw;
/* Use these colors to draw the items */
@ -3827,7 +3861,7 @@ static void LISTVIEW_Refresh(LISTVIEW_INFO *infoPtr, HDC hdc)
}
if ((infoPtr->dwStyle & LVS_OWNERDRAWFIXED) && (uView == LVS_REPORT))
LISTVIEW_RefreshOwnerDraw(infoPtr, &i, hdc);
LISTVIEW_RefreshOwnerDraw(infoPtr, &i, hdc, cdmode);
else
{
if (uView == LVS_REPORT)
@ -3843,7 +3877,7 @@ static void LISTVIEW_Refresh(LISTVIEW_INFO *infoPtr, HDC hdc)
enddraw:
if (cdmode & CDRF_NOTIFYPOSTPAINT)
notify_customdraw(infoPtr, CDDS_POSTPAINT, &nmlvcd);
notify_postpaint(infoPtr, &nmlvcd);
infoPtr->clrTextBk = oldClrTextBk;
infoPtr->clrText = oldClrText;