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Separate item metrics computation from positioning
Add support for computing state icon metrics.
This commit is contained in:
Dimitrie O. Paun
Alexandre Julliard
parent
65442cd763
commit
f1f447931e
@ -1378,11 +1378,13 @@ static BOOL LISTVIEW_GetItemListOrigin(LISTVIEW_INFO *infoPtr, INT nItem, LPPOIN
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*
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* PARAMETER(S):
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* [I] infoPtr : valid pointer to the listview structure
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* [I] nItem : item number
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* [I] lpLVItem : item to compute the measures for
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* [O] lprcBox : ptr to Box rectangle
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* The internal LVIR_BOX rectangle
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* [O] lprcBounds : ptr to Bounds rectangle
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* Same as LVM_GETITEMRECT with LVIR_BOUNDS
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* [0] lprcState : ptr to State icon rectangle
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* The internal LVIR_STATE rectangle
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* [O] lprcIcon : ptr to Icon rectangle
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* Same as LVM_GETITEMRECT with LVIR_ICON
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* [O] lprcLabel : ptr to Label rectangle
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@ -1392,54 +1394,73 @@ static BOOL LISTVIEW_GetItemListOrigin(LISTVIEW_INFO *infoPtr, INT nItem, LPPOIN
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* TRUE if computations OK
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* FALSE otherwise
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*/
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static BOOL LISTVIEW_GetItemMeasures(LISTVIEW_INFO *infoPtr, INT nItem,
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static BOOL LISTVIEW_GetItemMetrics(LISTVIEW_INFO *infoPtr, LVITEMW *lpLVItem,
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LPRECT lprcBox, LPRECT lprcBounds,
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LPRECT lprcIcon, LPRECT lprcLabel)
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LPRECT lprcState, LPRECT lprcIcon, LPRECT lprcLabel)
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{
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UINT uView = infoPtr->dwStyle & LVS_TYPEMASK;
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BOOL doIcon = FALSE, doLabel = FALSE, oversizedBox = FALSE;
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WCHAR szDispText[DISP_TEXT_SIZE] = { '\0' };
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RECT Box, Icon, Label;
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POINT Position, Origin;
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LVITEMW lvItem;
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BOOL doState = FALSE, doIcon = FALSE, doLabel = FALSE, oversizedBox = FALSE;
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RECT Box, State, Icon, Label;
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ERR("(lpLVItem=%s)\n", debuglvitem_t(lpLVItem, TRUE));
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/* Be smart and try to figure out the minimum we have to do */
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if (lprcBounds)
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{
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if (uView == LVS_REPORT) doIcon = TRUE;
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else doLabel = TRUE;
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}
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if (uView == LVS_ICON && infoPtr->bFocus &&
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!(infoPtr->dwStyle & LVS_OWNERDRAWFIXED) &&
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LISTVIEW_GetItemState(infoPtr, nItem, LVIS_FOCUSED))
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oversizedBox = doLabel = TRUE;
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if (uView == LVS_ICON && (lprcBox || lprcBounds || lprcLabel))
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{
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if (!(lpLVItem->mask & LVIF_STATE) ||
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!(lpLVItem->stateMask & LVIS_FOCUSED))
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return FALSE;
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if ((lpLVItem->state & LVIS_FOCUSED) &&
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!(infoPtr->dwStyle & LVS_OWNERDRAWFIXED))
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oversizedBox = doLabel = TRUE;
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}
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if (lprcLabel) doLabel = TRUE;
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if (doLabel || lprcIcon) doIcon = TRUE;
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if (doIcon || lprcState) doState = TRUE;
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/* get what we need from the item before hand, so we make
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* only one request. This can speed up things, if data
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* is stored on the app side */
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if (doLabel || (doIcon && uView == LVS_REPORT))
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{
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lvItem.mask = 0;
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if (doIcon) lvItem.mask |= LVIF_INDENT;
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if (doLabel) lvItem.mask |= LVIF_TEXT;
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lvItem.iItem = nItem;
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lvItem.iSubItem = 0;
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lvItem.pszText = szDispText;
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lvItem.cchTextMax = DISP_TEXT_SIZE;
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if (!LISTVIEW_GetItemW(infoPtr, &lvItem)) return FALSE;
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}
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/************************************************************/
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/* compute the box rectangle (it should be cheap to do) */
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/************************************************************/
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if (!LISTVIEW_GetItemListOrigin(infoPtr, nItem, &Position)) return FALSE;
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if (!LISTVIEW_GetOrigin(infoPtr, &Origin)) return FALSE;
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Box.left = Position.x + Origin.x;
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Box.top = Position.y + Origin.y;
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Box.right = Box.left + infoPtr->nItemWidth;
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Box.bottom = Box.top + infoPtr->nItemHeight;
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Box.left = 0;
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Box.top = 0;
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Box.right = infoPtr->nItemWidth;
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Box.bottom = infoPtr->nItemHeight;
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/************************************************************/
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/* compute STATEICON bounding box */
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/************************************************************/
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if (doState)
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{
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if (uView == LVS_ICON)
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{
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State.left = Box.left - infoPtr->iconStateSize.cx + 10;
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if (infoPtr->himlNormal)
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State.left += (infoPtr->iconSpacing.cx - infoPtr->iconSize.cx) / 2 - ICON_LR_HALF;
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State.top = Box.top + infoPtr->iconSize.cy - infoPtr->iconStateSize.cy + 4;
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}
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else
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{
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/* we need the ident in report mode, if we don't have it, we fail */
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if (uView == LVS_REPORT && !(lpLVItem->mask & LVIF_INDENT)) return FALSE;
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State.left = Box.left;
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if (uView == LVS_REPORT) State.left += infoPtr->iconSize.cx * lpLVItem->iIndent;
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State.top = Box.top;
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}
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State.right = State.left;
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State.bottom = State.top;
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if (infoPtr->himlState)
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{
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State.right += infoPtr->iconStateSize.cx;
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State.bottom += infoPtr->iconStateSize.cy;
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}
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if (lprcState) *lprcState = State;
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TRACE(" - state=%s\n", debugrect(&State));
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}
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/************************************************************/
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/* compute ICON bounding box (ala LVM_GETITEMRECT) */
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@ -1462,17 +1483,15 @@ static BOOL LISTVIEW_GetItemMeasures(LISTVIEW_INFO *infoPtr, INT nItem,
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}
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else /* LVS_SMALLICON, LVS_LIST or LVS_REPORT */
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{
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/* do indent */
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Icon.left = Box.left;
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if (uView == LVS_REPORT) Icon.left += infoPtr->iconSize.cx * lvItem.iIndent;
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if (infoPtr->himlState) Icon.left += infoPtr->iconStateSize.cx;
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Icon.left = State.right;
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if (infoPtr->himlState) Icon.left += IMAGE_PADDING;
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Icon.top = Box.top;
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Icon.right = Icon.left;
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if (infoPtr->himlSmall) Icon.right += infoPtr->iconSize.cx;
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Icon.bottom = Icon.top + infoPtr->nItemHeight;
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}
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if(lprcIcon) *lprcIcon = Icon;
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TRACE("hwnd=%x, item=%d, icon=%s\n", infoPtr->hwndSelf, nItem, debugrect(&Icon));
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TRACE(" - icon=%s\n", debugrect(&Icon));
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}
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/************************************************************/
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@ -1481,13 +1500,16 @@ static BOOL LISTVIEW_GetItemMeasures(LISTVIEW_INFO *infoPtr, INT nItem,
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if (doLabel)
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{
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SIZE labelSize = { 0, 0 };
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/* we need the text in non owner draw mode */
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if (!(infoPtr->dwStyle & LVS_OWNERDRAWFIXED) && !(lpLVItem->mask & LVIF_TEXT)) return FALSE;
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if (infoPtr->dwStyle & LVS_OWNERDRAWFIXED)
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{
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labelSize.cx = infoPtr->nItemWidth;
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labelSize.cy = infoPtr->nItemHeight;
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}
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else if (is_textT(lvItem.pszText, TRUE))
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else if (is_textT(lpLVItem->pszText, TRUE))
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{
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HFONT hFont = infoPtr->hFont ? infoPtr->hFont : infoPtr->hDefaultFont;
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HDC hdc = GetDC(infoPtr->hwndSelf);
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@ -1508,7 +1530,7 @@ static BOOL LISTVIEW_GetItemMeasures(LISTVIEW_INFO *infoPtr, INT nItem,
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else
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uFormat = LV_SL_DT_FLAGS;
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DrawTextW (hdc, lvItem.pszText, -1, &rcText, uFormat | DT_CALCRECT);
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DrawTextW (hdc, lpLVItem->pszText, -1, &rcText, uFormat | DT_CALCRECT);
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labelSize.cx = min(rcText.right - rcText.left + TRAILING_PADDING, infoPtr->nItemWidth);
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labelSize.cy = rcText.bottom - rcText.top;
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@ -1540,15 +1562,15 @@ static BOOL LISTVIEW_GetItemMeasures(LISTVIEW_INFO *infoPtr, INT nItem,
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else /* LVS_SMALLICON, LVS_LIST or LVS_REPORT */
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{
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Label.left = Icon.right;
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if (infoPtr->himlSmall) Label.left += IMAGE_PADDING;
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Label.top = Box.top;
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Label.right = Label.left + labelSize.cx;
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if (infoPtr->himlSmall) Label.right += IMAGE_PADDING;
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if (Label.right > Box.right) Label.right = Box.right;
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Label.bottom = Label.top + infoPtr->nItemHeight;
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}
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if (lprcLabel) *lprcLabel = Label;
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TRACE("hwnd=%x, item=%d, label=%s\n", infoPtr->hwndSelf, nItem, debugrect(&Label));
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TRACE(" - label=%s\n", debugrect(&Label));
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}
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/***********************************************************/
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@ -1566,12 +1588,87 @@ static BOOL LISTVIEW_GetItemMeasures(LISTVIEW_INFO *infoPtr, INT nItem,
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}
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else
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UnionRect(lprcBounds, &Icon, &Label);
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TRACE("hwnd=%x, item=%d, bounds=%s\n", infoPtr->hwndSelf, nItem, debugrect(lprcBounds));
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TRACE(" - bounds=%s\n", debugrect(lprcBounds));
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}
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if (oversizedBox) UnionRect(lprcBox, &Box, &Label);
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else if (lprcBox) *lprcBox = Box;
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TRACE("hwnd=%x, item=%d, box=%s\n", infoPtr->hwndSelf, nItem, debugrect(&Box));
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TRACE(" - box=%s\n", debugrect(&Box));
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return TRUE;
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}
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/***
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* DESCRIPTION: [INTERNAL]
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*
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* PARAMETER(S):
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* [I] infoPtr : valid pointer to the listview structure
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* [I] nItem : item number
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* [O] lprcBox : ptr to Box rectangle
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* The internal LVIR_BOX rectangle
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* [O] lprcBounds : ptr to Bounds rectangle
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* Same as LVM_GETITEMRECT with LVIR_BOUNDS
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* [O] lprcIcon : ptr to Icon rectangle
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* Same as LVM_GETITEMRECT with LVIR_ICON
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* [O] lprcLabel : ptr to Label rectangle
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* Same as LVM_GETITEMRECT with LVIR_LABEL
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*
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* RETURN:
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* TRUE if computations OK
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* FALSE otherwise
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*/
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static BOOL LISTVIEW_GetItemMeasures(LISTVIEW_INFO *infoPtr, INT nItem,
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LPRECT lprcBox, LPRECT lprcBounds,
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LPRECT lprcIcon, LPRECT lprcLabel)
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{
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UINT uView = infoPtr->dwStyle & LVS_TYPEMASK;
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WCHAR szDispText[DISP_TEXT_SIZE] = { '\0' };
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BOOL doIcon = FALSE, doLabel = FALSE, oversizedBox = FALSE;
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POINT Position, Origin;
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LVITEMW lvItem;
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if (!LISTVIEW_GetItemListOrigin(infoPtr, nItem, &Position)) return FALSE;
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if (!LISTVIEW_GetOrigin(infoPtr, &Origin)) return FALSE;
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/* Be smart and try to figure out the minimum we have to do */
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if (lprcBounds)
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{
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if (uView == LVS_REPORT) doIcon = TRUE;
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else doLabel = TRUE;
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}
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if (uView == LVS_ICON && (lprcBox || lprcBounds || lprcLabel) &&
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infoPtr->bFocus && !(infoPtr->dwStyle & LVS_OWNERDRAWFIXED) &&
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LISTVIEW_GetItemState(infoPtr, nItem, LVIS_FOCUSED))
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oversizedBox = doLabel = TRUE;
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if (lprcLabel) doLabel = TRUE;
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if (doLabel || lprcIcon) doIcon = TRUE;
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/* get what we need from the item before hand, so we make
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* only one request. This can speed up things, if data
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* is stored on the app side */
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lvItem.mask = 0;
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if (doIcon && uView == LVS_REPORT) lvItem.mask |= LVIF_INDENT;
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if (doLabel) lvItem.mask |= LVIF_TEXT;
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lvItem.iItem = nItem;
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lvItem.iSubItem = 0;
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lvItem.pszText = szDispText;
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lvItem.cchTextMax = DISP_TEXT_SIZE;
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if (lvItem.mask && !LISTVIEW_GetItemW(infoPtr, &lvItem)) return FALSE;
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if (uView == LVS_ICON && (lprcBox || lprcBounds || lprcLabel))
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{
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lvItem.mask |= LVIF_STATE;
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lvItem.stateMask = LVIS_FOCUSED;
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lvItem.state = (oversizedBox ? LVIS_FOCUSED : 0);
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}
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if (!LISTVIEW_GetItemMetrics(infoPtr, &lvItem, lprcBox, lprcBounds, 0, lprcIcon, lprcLabel)) return FALSE;
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Position.x += Origin.x;
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Position.y += Origin.y;
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if (lprcBox) OffsetRect(lprcBox, Position.x, Position.y);
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if (lprcBounds) OffsetRect(lprcBounds, Position.x, Position.y);
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if (lprcIcon) OffsetRect(lprcIcon, Position.x, Position.y);
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if (lprcLabel) OffsetRect(lprcLabel, Position.x, Position.y);
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return TRUE;
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}
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@ -2131,6 +2228,7 @@ static BOOL remove_selection_range(LISTVIEW_INFO *infoPtr, INT lower, INT upper,
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return TRUE;
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}
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/***
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* Helper function for LISTVIEW_AddSelectionRange, and LISTVIEW_SetItem.
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*/
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