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Cleanup, and clarify the handling of the various rectangles. 

Fix handling of large items in ICON mode.
Fix calculation of LVIR_SELECTBOUNDS.
Various cleanups, and simplifications.
This commit is contained in:
Dimitrie O. Paun 2002-10-07 18:42:52 +00:00 committed by Alexandre Julliard
parent 914aac36b5
commit 95f2799537
1 changed files with 50 additions and 94 deletions
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144
dlls/comctl32/listview.c
View File

@ -724,7 +724,6 @@ static inline LRESULT CallWindowProcT(WNDPROC proc, HWND hwnd, UINT uMsg,
InvalidateRect(infoPtr->hwndSelf, rect, TRUE); \
} while (0)
/* FIXME: what if we show the focus on a large item in ICON mode? */
#define LISTVIEW_InvalidateItem(infoPtr, nItem) do { \
RECT rcItem; \
rcItem.left = LVIR_BOUNDS; \
@ -1206,37 +1205,26 @@ static void LISTVIEW_UnsupportedStyles(LONG lStyle)
* [I] infoPtr : valid pointer to the listview structure
* [I] nItem : item number
* [O] lpptPosition : ptr to Position point
* the Position point is relative to infoPtr->rcList
* (has *NOT* been adjusted by the origin)
* [O] lprcBoundary : ptr to Boundary rectangle
* the Boundary rectangle is relative to infoPtr->rcList
* (has *NOT* been adjusted by the origin)
* Same as LVM_GETITEMPOSITION
* [O] lprcBounds : ptr to Bounds rectangle
* Same as LVM_GETITEMRECT with LVIR_BOUNDS
* [O] lprcIcon : ptr to Icon rectangle
* the Icon rectangle is relative to infoPtr->rcView
* (has already been adjusted by the origin)
* Same as LVM_GETITEMRECT with LVIR_ICON
* [O] lprcLabel : ptr to Label rectangle
* - the Label rectangle is relative to infoPtr->rcView
* (has already been adjusted by the origin)
* - the Label rectangle encloses the label text only
* [O] lprcText : ptr to FullText rectangle
* - the FullText rectangle is relative to infoPtr->rcView
* (has already been adjusted by the origin)
* - the FullText rectangle contains the Label rectangle
* but may be bigger. Used for filling the background.
* Same as LVM_GETITEMRECT with LVIR_LABEL
*
* RETURN:
* TRUE if computations OK
* FALSE otherwise
*/
static BOOL LISTVIEW_GetItemMeasures(LISTVIEW_INFO *infoPtr, INT nItem,
LPPOINT lpptPosition,
LPRECT lprcBoundary, LPRECT lprcIcon,
LPRECT lprcLabel, LPRECT lprcText)
LPPOINT lpptPosition, LPRECT lprcBounds,
LPRECT lprcIcon, LPRECT lprcLabel)
{
LONG lStyle = infoPtr->dwStyle;
UINT uView = lStyle & LVS_TYPEMASK;
POINT Origin, Position, TopLeft;
RECT Icon, Boundary, Label, FullText;
RECT Icon, Bounds, Label;
INT nIndent = 0;
if (!LISTVIEW_GetOrigin(infoPtr, &Origin)) return FALSE;
@ -1399,10 +1387,7 @@ static BOOL LISTVIEW_GetItemMeasures(LISTVIEW_INFO *infoPtr, INT nItem,
Label.bottom = Label.top + infoPtr->nItemHeight + HEIGHT_PADDING;
LISTVIEW_UpdateLargeItemLabelRect (infoPtr, nItem, &Label);
}
FullText = Label;
InflateRect(&FullText, 2, 0);
if (lprcLabel) *lprcLabel = Label;
if (lprcText) *lprcText = FullText;
}
else return FALSE;
}
@ -1427,7 +1412,6 @@ static BOOL LISTVIEW_GetItemMeasures(LISTVIEW_INFO *infoPtr, INT nItem,
else
Label.right = nLeftPos + infoPtr->nItemWidth;
if (lprcLabel) *lprcLabel = Label;
if (lprcText) *lprcText = Label;
}
else /* LVS_LIST or LVS_REPORT */
{
@ -1450,34 +1434,32 @@ static BOOL LISTVIEW_GetItemMeasures(LISTVIEW_INFO *infoPtr, INT nItem,
if (Label.right - Position.x > infoPtr->nItemWidth)
Label.right = Position.x + infoPtr->nItemWidth;
if (lprcLabel) *lprcLabel = Label;
if (lprcText) *lprcText = Label;
}
TRACE("hwnd=%x, item=%d, label=%s, fulltext=%s\n",
infoPtr->hwndSelf, nItem, debugrect(&Label), debugrect(lprcText));
TRACE("hwnd=%x, item=%d, label=%s\n", infoPtr->hwndSelf, nItem, debugrect(&Label));
/***********************************************************/
/* compute boundary box for the item (ala LVM_GETITEMRECT) */
/* compute bounds box for the item (ala LVM_GETITEMRECT) */
/***********************************************************/
if (uView == LVS_REPORT)
{
Boundary.left = TopLeft.x;
Boundary.top = TopLeft.y;
Boundary.right = Boundary.left + infoPtr->nItemWidth;
Boundary.bottom = Boundary.top + infoPtr->nItemHeight;
Bounds.left = TopLeft.x;
Bounds.top = TopLeft.y;
Bounds.right = Bounds.left + infoPtr->nItemWidth;
Bounds.bottom = Bounds.top + infoPtr->nItemHeight;
if (!(infoPtr->dwLvExStyle & LVS_EX_FULLROWSELECT))
Boundary.left += nIndent;
Boundary.right -= REPORT_MARGINX;
if (Boundary.right < Boundary.left) Boundary.right = Boundary.left;
Bounds.left += nIndent;
Bounds.right -= REPORT_MARGINX;
if (Bounds.right < Bounds.left) Bounds.right = Bounds.left;
}
else
{
UnionRect(&Boundary, &Icon, &Label);
UnionRect(&Bounds, &Icon, &Label);
}
TRACE("hwnd=%x, item=%d, boundary=%s\n", infoPtr->hwndSelf, nItem, debugrect(&Boundary));
if (lprcBoundary) *lprcBoundary = Boundary;
TRACE("hwnd=%x, item=%d, bounds=%s\n", infoPtr->hwndSelf, nItem, debugrect(&Bounds));
if (lprcBounds) *lprcBounds = Bounds;
return TRUE;
}
@ -3087,7 +3069,7 @@ static BOOL LISTVIEW_DrawLargeItem(LISTVIEW_INFO *infoPtr, HDC hdc, INT nItem, R
WCHAR szDispText[DISP_TEXT_SIZE] = { '\0' };
LVITEMW lvItem;
UINT uFormat = LISTVIEW_DTFLAGS;
RECT rcIcon, rcFocus, rcFullText, rcLabel, *lprcFocus;
RECT rcIcon, rcFocus, rcLabel, *lprcFocus;
POINT ptOrg;
TRACE("(hdc=%x, nItem=%d, rcItem=%s)\n", hdc, nItem, debugrect(&rcItem));
@ -3106,7 +3088,7 @@ static BOOL LISTVIEW_DrawLargeItem(LISTVIEW_INFO *infoPtr, HDC hdc, INT nItem, R
/* now check if we need to update the focus rectangle */
lprcFocus = infoPtr->bFocus && (lvItem.state & LVIS_FOCUSED) ? &infoPtr->rcFocus : 0;
LISTVIEW_GetItemMeasures(infoPtr, nItem, &ptOrg, NULL, &rcIcon, &rcLabel, &rcFullText);
LISTVIEW_GetItemMeasures(infoPtr, nItem, &ptOrg, NULL, &rcIcon, &rcLabel);
/* Set the item to the boundary box for now */
TRACE("iconSize.cx=%ld, nItemWidth=%d\n", infoPtr->iconSize.cx, infoPtr->nItemWidth);
@ -3222,18 +3204,8 @@ static BOOL LISTVIEW_DrawLargeItem(LISTVIEW_INFO *infoPtr, HDC hdc, INT nItem, R
* that the background is complete
*/
rcFocus = rcLabel; /* save for focus */
if ((uFormat & DT_NOCLIP) || (lvItem.state & LVIS_SELECTED))
{
/* FIXME: why do we need this??? */
HBRUSH hBrush = CreateSolidBrush(GetBkColor (hdc));
FillRect(hdc, &rcFullText, hBrush);
rcFocus = rcFullText;
DeleteObject(hBrush);
/* Save size of item drawing for next InvalidateRect */
TRACE("focused/selected, rcFocus=%s\n", debugrect(&rcFocus));
}
if (lvItem.state & LVIS_SELECTED)
ExtTextOutW(hdc, rcLabel.left, rcLabel.top, ETO_OPAQUE, &rcLabel, 0, 0, 0);
/* else ? What if we are losing the focus? will we not get a complete
* background?
*/
@ -4982,35 +4954,7 @@ static BOOL LISTVIEW_GetItemPosition(LISTVIEW_INFO *infoPtr, INT nItem, LPPOINT
if (!lpptPosition || nItem < 0 || nItem >= infoPtr->nItemCount) return FALSE;
return LISTVIEW_GetItemMeasures(infoPtr, nItem, lpptPosition, NULL, NULL, NULL, NULL);
}
/***
* Adjust a text rectangle to an integral number of text lines.
*/
static void LISTVIEW_GetIntegralLines(
const LISTVIEW_INFO *infoPtr,
RECT *rcText)
{
INT i, j, k, l;
/*
* We need to have the bottom to be an intergal number of
* text lines (ntmHeight) below text top that is less than
* or equal to the nItemHeight.
*/
i = infoPtr->nItemHeight - infoPtr->iconSize.cy -
ICON_TOP_PADDING - ICON_BOTTOM_PADDING;
j = i / infoPtr->ntmHeight;
k = j * infoPtr->ntmHeight;
l = rcText->top + k;
rcText->bottom = min(rcText->bottom, l);
rcText->bottom += 1;
TRACE("integral lines, nitemH=%d, ntmH=%d, icon.cy=%ld, i=%d, j=%d, k=%d, rect=(%d,%d)-(%d,%d)\n",
infoPtr->nItemHeight, infoPtr->ntmHeight, infoPtr->iconSize.cy,
i, j, k,
rcText->left, rcText->top, rcText->right, rcText->bottom);
return LISTVIEW_GetItemMeasures(infoPtr, nItem, lpptPosition, NULL, NULL, NULL);
}
@ -5085,10 +5029,20 @@ static BOOL LISTVIEW_UpdateLargeItemLabelRect (LISTVIEW_INFO *infoPtr, int nItem
if (focused)
{
rcText.bottom += 2;
InflateRect(&rcText, 2, 0);
}
else /* not focused, may or may not be selected */
{
LISTVIEW_GetIntegralLines(infoPtr, &rcText);
/*
* We need to have the bottom to be an intergal number of
* text lines (ntmHeight) below text top that is less than
* or equal to the nItemHeight.
*/
INT lh = infoPtr->nItemHeight - infoPtr->iconSize.cy -
ICON_TOP_PADDING - ICON_BOTTOM_PADDING;
INT ih = (lh / infoPtr->ntmHeight) * infoPtr->ntmHeight;
rcText.bottom = min(rcText.bottom, rcText.top + ih);
rcText.bottom += 1;
}
*rect = rcText;
@ -5166,7 +5120,7 @@ static BOOL LISTVIEW_UpdateLargeItemLabelRect (LISTVIEW_INFO *infoPtr, int nItem
*/
static BOOL LISTVIEW_GetItemRect(LISTVIEW_INFO *infoPtr, INT nItem, LPRECT lprc)
{
RECT label_rect, icon_rect;
RECT label_rect;
TRACE("(hwnd=%x, nItem=%d, lprc=%p)\n", infoPtr->hwndSelf, nItem, lprc);
@ -5175,20 +5129,22 @@ static BOOL LISTVIEW_GetItemRect(LISTVIEW_INFO *infoPtr, INT nItem, LPRECT lprc)
switch(lprc->left)
{
case LVIR_ICON:
if (!LISTVIEW_GetItemMeasures(infoPtr, nItem, NULL, NULL, lprc, NULL, NULL)) return FALSE;
if (!LISTVIEW_GetItemMeasures(infoPtr, nItem, NULL, NULL, lprc, NULL)) return FALSE;
break;
case LVIR_LABEL:
if (!LISTVIEW_GetItemMeasures(infoPtr, nItem, NULL, NULL, NULL, lprc, NULL)) return FALSE;
if (!LISTVIEW_GetItemMeasures(infoPtr, nItem, NULL, NULL, NULL, lprc)) return FALSE;
break;
case LVIR_BOUNDS:
if (!LISTVIEW_GetItemMeasures(infoPtr, nItem, NULL, lprc, NULL, NULL, NULL)) return FALSE;
if (!LISTVIEW_GetItemMeasures(infoPtr, nItem, NULL, lprc, NULL, NULL)) return FALSE;
break;
case LVIR_SELECTBOUNDS:
if (!LISTVIEW_GetItemMeasures(infoPtr, nItem, NULL, NULL, &icon_rect, &label_rect, NULL)) return FALSE;
UnionRect (lprc, &icon_rect, &label_rect);
if (!LISTVIEW_GetItemMeasures(infoPtr, nItem, NULL, lprc, NULL, &label_rect)) return FALSE;
if ( (infoPtr->dwStyle & LVS_TYPEMASK) == LVS_REPORT &&
(infoPtr->dwLvExStyle & LVS_EX_FULLROWSELECT) )
lprc->right = label_rect.right;
break;
default:
@ -7629,12 +7585,12 @@ static LRESULT LISTVIEW_KillFocus(LISTVIEW_INFO *infoPtr)
/* if we have a focus rectagle, get rid of it */
LISTVIEW_ShowFocusRect(infoPtr, infoPtr->nFocusedItem, FALSE);
/* invalidate the selected items before reseting focus flag */
LISTVIEW_InvalidateSelectedItems(infoPtr);
/* set window focus flag */
infoPtr->bFocus = FALSE;
/* invalidate the selected items before reseting focus flag */
LISTVIEW_InvalidateSelectedItems(infoPtr);
return 0;
}
@ -8155,12 +8111,12 @@ static LRESULT LISTVIEW_SetFocus(LISTVIEW_INFO *infoPtr, HWND hwndLoseFocus)
/* send NM_SETFOCUS notification */
notify_setfocus(infoPtr);
/* put the focus rect back on */
LISTVIEW_ShowFocusRect(infoPtr, infoPtr->nFocusedItem, TRUE);
/* set window focus flag */
infoPtr->bFocus = TRUE;
/* put the focus rect back on */
LISTVIEW_ShowFocusRect(infoPtr, infoPtr->nFocusedItem, TRUE);
/* redraw all visible selected items */
LISTVIEW_InvalidateSelectedItems(infoPtr);