diff options
Diffstat (limited to 'dw/oofpositionedmgr.cc')
-rw-r--r-- | dw/oofpositionedmgr.cc | 565 |
1 files changed, 4 insertions, 561 deletions
diff --git a/dw/oofpositionedmgr.cc b/dw/oofpositionedmgr.cc index 270e8c84..1d2248d7 100644 --- a/dw/oofpositionedmgr.cc +++ b/dw/oofpositionedmgr.cc @@ -39,8 +39,6 @@ OOFPositionedMgr::OOFPositionedMgr (OOFAwareWidget *container) children = new Vector<Child> (1, false); childrenByWidget = new HashTable<TypedPointer<Widget>, Child> (true, true); - containerAllocationState = - container->wasAllocated () ? WAS_ALLOCATED : NOT_ALLOCATED; containerAllocation = *(container->getAllocation()); DBG_OBJ_SET_NUM ("children.size", children->size()); @@ -54,84 +52,6 @@ OOFPositionedMgr::~OOFPositionedMgr () DBG_OBJ_DELETE (); } -void OOFPositionedMgr::sizeAllocateStart (OOFAwareWidget *caller, - Allocation *allocation) -{ - DBG_OBJ_ENTER ("resize.oofm", 0, "sizeAllocateStart", - "%p, (%d, %d, %d * (%d + %d))", - caller, allocation->x, allocation->y, allocation->width, - allocation->ascent, allocation->descent); - - if (caller == container) { - if (containerAllocationState == NOT_ALLOCATED) - containerAllocationState = IN_ALLOCATION; - containerAllocation = *allocation; - } - - DBG_OBJ_LEAVE (); -} - -void OOFPositionedMgr::sizeAllocateEnd (OOFAwareWidget *caller) -{ - DBG_OBJ_ENTER ("resize.oofm", 0, "sizeAllocateEnd", "%p", caller); - - if (caller == container) { - sizeAllocateChildren (); - - bool sizeChanged = doChildrenExceedContainer (); - bool extremesChanged = haveExtremesChanged (); - - // Consider children which were ignored in getSize (see comment - // there). The respective widgets were not allocated before if - // and only if containerAllocationState == IN_ALLOCATION. For - // the generator (and reference widget), this is the case as - // long as sizeRequest is immediately followed by sizeAllocate - // (as in resizeIdle). - - bool notAllChildrenConsideredBefore = false; - for (int i = 0; - !notAllChildrenConsideredBefore && i < children->size(); i++) - if (!isPosCalculable (children->get(i), - containerAllocationState != IN_ALLOCATION)) - notAllChildrenConsideredBefore = true; - - if (sizeChanged || notAllChildrenConsideredBefore || extremesChanged) - container->oofSizeChanged (extremesChanged); - - containerAllocationState = WAS_ALLOCATED; - } - - DBG_OBJ_LEAVE (); -} - - -void OOFPositionedMgr::sizeAllocateChildren () -{ - DBG_OBJ_ENTER0 ("resize.oofm", 0, "sizeAllocateChildren"); - - int refWidth = container->getAvailWidth (true) - containerBoxDiffWidth (); - int refHeight = container->getAvailHeight (true) - containerBoxDiffHeight (); - - for (int i = 0; i < children->size(); i++) { - Child *child = children->get (i); - - int x, y, width, ascent, descent; - calcPosAndSizeChildOfChild (child, refWidth, refHeight, &x, &y, &width, - &ascent, &descent); - - Allocation childAllocation; - childAllocation.x = containerAllocation.x + x + containerBoxOffsetX (); - childAllocation.y = containerAllocation.y + y + containerBoxOffsetY (); - childAllocation.width = width; - childAllocation.ascent = ascent; - childAllocation.descent = descent; - - child->widget->sizeAllocate (&childAllocation); - } - - DBG_OBJ_LEAVE (); -} - void OOFPositionedMgr::containerSizeChangedForChildren () { DBG_OBJ_ENTER0 ("resize", 0, "containerSizeChangedForChildren"); @@ -142,77 +62,6 @@ void OOFPositionedMgr::containerSizeChangedForChildren () DBG_OBJ_LEAVE (); } -bool OOFPositionedMgr::doChildrenExceedContainer () -{ - DBG_OBJ_ENTER0 ("resize.oofm", 0, "doChildrenExceedContainer"); - - // This method is called to determine whether the *requisition* of - // the container must be recalculated. So, we check the allocations - // of the children against the *requisition* of the container, - // which may (e. g. within tables) differ from the new allocation. - // (Generally, a widget may allocated at a different size.) - - Requisition containerReq; - container->sizeRequest (&containerReq); - bool exceeds = false; - - DBG_OBJ_MSG_START (); - - for (int i = 0; i < children->size () && !exceeds; i++) { - Child *child = children->get (i); - Allocation *childAlloc = child->widget->getAllocation (); - DBG_OBJ_MSGF ("resize.oofm", 2, - "Does childAlloc = (%d, %d, %d * %d) exceed container " - "alloc+req = (%d, %d, %d * %d)?", - childAlloc->x, childAlloc->y, childAlloc->width, - childAlloc->ascent + childAlloc->descent, - containerAllocation.x, containerAllocation.y, - containerReq.width, - containerReq.ascent + containerReq.descent); - if (childAlloc->x + childAlloc->width - > containerAllocation.x + containerReq.width || - childAlloc->y + childAlloc->ascent + childAlloc->descent - > containerAllocation.y + - containerReq.ascent + containerReq.descent) { - exceeds = true; - DBG_OBJ_MSG ("resize.oofm", 2, "Yes."); - } else - DBG_OBJ_MSG ("resize.oofm", 2, "No."); - } - - DBG_OBJ_MSG_END (); - - DBG_OBJ_MSGF ("resize.oofm", 1, "=> %s", exceeds ? "true" : "false"); - DBG_OBJ_LEAVE (); - - return exceeds; -} - -bool OOFPositionedMgr::haveExtremesChanged () -{ - DBG_OBJ_ENTER0 ("resize.oofm", 0, "haveExtremesChanged"); - - Extremes containerExtr; - container->getExtremes (&containerExtr); - bool changed = false; - - DBG_OBJ_MSG_START (); - - // Search for children which have not yet been considered by - // getExtremes(). Cf. sizeAllocateEnd(). - - for (int i = 0; i < children->size () && !changed; i++) - if (!isHPosCalculable (children->get (i), - containerAllocationState == IN_ALLOCATION)) - changed = true; - - DBG_OBJ_MSG_END (); - - DBG_OBJ_LEAVE_VAL ("%s", boolToStr (changed)); - return changed; -} - - void OOFPositionedMgr::draw (View *view, Rectangle *area, DrawingContext *context) { @@ -271,11 +120,6 @@ int OOFPositionedMgr::addWidgetOOF (Widget *widget, OOFAwareWidget *generator, return subRef; } -void OOFPositionedMgr::calcWidgetRefSize (Widget *widget, Requisition *size) -{ - size->width = size->ascent = size->descent = 0; -} - void OOFPositionedMgr::moveExternalIndices (OOFAwareWidget *generator, int oldStartIndex, int diff) { @@ -337,94 +181,11 @@ void OOFPositionedMgr::tellPosition (Widget *widget, int x, int y) DBG_OBJ_LEAVE (); } -void OOFPositionedMgr::getSize (Requisition *containerReq, int *oofWidth, - int *oofHeight) -{ - DBG_OBJ_ENTER0 ("resize.oofm", 0, "getSize"); - - *oofWidth = *oofHeight = 0; - - int refWidth = container->getAvailWidth (true); - int refHeight = container->getAvailHeight (true); - - for (int i = 0; i < children->size(); i++) { - Child *child = children->get(i); - - // The position of a child (which goes into the return value of - // this method) can only be determined when the following - // condition (if clause) is is fulfilled. Other children will be - // considered later in sizeAllocateEnd. - if (isPosCalculable (child, - containerAllocationState != NOT_ALLOCATED && - child->generator->wasAllocated ())) { - int x, y, width, ascent, descent; - calcPosAndSizeChildOfChild (child, refWidth, refHeight, &x, &y, &width, - &ascent, &descent); - *oofWidth = max (*oofWidth, x + width) + containerBoxDiffWidth (); - *oofHeight = - max (*oofHeight, y + ascent + descent) + containerBoxDiffHeight (); - } - } - - DBG_OBJ_MSGF ("resize.oofm", 0, "=> %d * %d", *oofWidth, *oofHeight); - DBG_OBJ_LEAVE (); -} - bool OOFPositionedMgr::containerMustAdjustExtraSpace () { return true; } -void OOFPositionedMgr::getExtremes (Extremes *containerExtr, int *oofMinWidth, - int *oofMaxWidth) -{ - DBG_OBJ_ENTER ("resize.oofm", 0, "getExtremes", "(%d / %d), ...", - containerExtr->minWidth, containerExtr->maxWidth); - - *oofMinWidth = *oofMaxWidth = 0; - - for (int i = 0; i < children->size(); i++) { - Child *child = children->get(i); - - // If clause: see getSize(). - if (isHPosCalculable (child, - containerAllocationState != NOT_ALLOCATED - && child->generator->wasAllocated ())) { - int x, width; - Extremes childExtr; - child->widget->getExtremes (&childExtr); - - // Here, we put the extremes of the container in relation to - // the extremes of the child, as sizes are put in relation - // for calculating the size. In one case, the allocation is - // used: when neither "left" nor "right" is set, and so the - // position told by the generator is used. - // - // If you look at the Textblock widget, you'll find that this - // is always boxOffsetX(), and the horizontal position of a - // textblock within its parent is also constant; so this is - // not a problem. - // - // (TODO What about a table cell within a table?) - - calcHPosAndSizeChildOfChild (child, containerExtr->minWidth, - childExtr.minWidth, &x, &width); - *oofMinWidth = max (*oofMinWidth, x + width); - - calcHPosAndSizeChildOfChild (child, containerExtr->maxWidth, - childExtr.maxWidth, &x, &width); - *oofMaxWidth = max (*oofMaxWidth, x + width); - } - } - - *oofMinWidth += containerBoxDiffWidth (); - *oofMaxWidth += containerBoxDiffWidth (); - - DBG_OBJ_MSGF ("resize.oofm", 0, "=> %d / %d", *oofMinWidth, *oofMaxWidth); - DBG_OBJ_LEAVE (); -} - - int OOFPositionedMgr::getLeftBorder (OOFAwareWidget *widget, int y, int h, OOFAwareWidget *lastGen, int lastExtIndex) { @@ -489,85 +250,14 @@ bool OOFPositionedMgr::dealingWithSizeOfChild (Widget *child) return true; } -int OOFPositionedMgr::getAvailWidthOfChild (Widget *child, bool forceValue) +int OOFPositionedMgr::getNumWidgets () { - DBG_OBJ_ENTER ("resize.oofm", 0, - "OOFPositionedMgr/getAvailWidthOfChild", "%p, %s", - child, forceValue ? "true" : "false"); - - int width; - - if (child->getStyle()->width == style::LENGTH_AUTO && - child->getStyle()->minWidth == style::LENGTH_AUTO && - child->getStyle()->maxWidth == style::LENGTH_AUTO) { - // TODO This should (perhaps?) only used when 'width' is undefined. - // TODO Is "boxDiffWidth()" correct here? - DBG_OBJ_MSG ("resize.oofm", 1, "no specification"); - if (forceValue) { - int availWidth = container->getAvailWidth (true); - width = max (availWidth - containerBoxDiffWidth () - // Regard an undefined value as 0: - - max (getPosLeft (child, availWidth), 0), - - max (getPosRight (child, availWidth), 0), - 0); - } else - width = -1; - } else { - if (forceValue) { - int availWidth = container->getAvailWidth (true); - child->calcFinalWidth (child->getStyle(), - availWidth - containerBoxDiffWidth (), NULL, - 0, true, &width); - } else - width = -1; - } - - if (width != -1) - width = max (width, child->getMinWidth (NULL, forceValue)); - - DBG_OBJ_MSGF ("resize.oofm", 1, "=> %d", width); - DBG_OBJ_LEAVE (); - - return width; + return children->size(); } -int OOFPositionedMgr::getAvailHeightOfChild (Widget *child, bool forceValue) +Widget *OOFPositionedMgr::getWidget (int i) { - DBG_OBJ_ENTER ("resize.oofm", 0, - "OOFPositionedMgr/getAvailHeightOfChild", "%p, %s", - child, forceValue ? "true" : "false"); - - int height; - - if (child->getStyle()->height == style::LENGTH_AUTO && - child->getStyle()->minHeight == style::LENGTH_AUTO && - child->getStyle()->maxHeight == style::LENGTH_AUTO) { - // TODO This should (perhaps?) only used when 'height' is undefined. - // TODO Is "boxDiffHeight()" correct here? - DBG_OBJ_MSG ("resize.oofm", 1, "no specification"); - if (forceValue) { - int availHeight = container->getAvailHeight (true); - height = max (availHeight - containerBoxDiffHeight () - // Regard an undefined value as 0: - - max (getPosTop (child, availHeight), 0), - - max (getPosBottom (child, availHeight), 0), - 0); - } else - height = -1; - } else { - if (forceValue) { - int availHeight = container->getAvailHeight (true); - height = child->calcHeight (child->getStyle()->height, true, - availHeight - containerBoxDiffHeight (), - NULL, true); - } else - height = -1; - } - - DBG_OBJ_MSGF ("resize.oofm", 1, "=> %d", height); - DBG_OBJ_LEAVE (); - - return height; + return children->get(i)->widget; } int OOFPositionedMgr::getPosBorder (style::Length cssValue, int refLength) @@ -581,253 +271,6 @@ int OOFPositionedMgr::getPosBorder (style::Length cssValue, int refLength) return -1; } -bool OOFPositionedMgr::isHPosComplete (Child *child) -{ - DBG_OBJ_ENTER ("resize.oofm", 0, "isHPosComplete", "[%p]", child->widget); - bool b = - (style::isAbsLength (child->widget->getStyle()->left) || - style::isPerLength (child->widget->getStyle()->left)) && - (style::isAbsLength (child->widget->getStyle()->right) || - style::isPerLength (child->widget->getStyle()->right)); - DBG_OBJ_LEAVE_VAL ("%s", boolToStr (b)); - return b; -} - -bool OOFPositionedMgr::isVPosComplete (Child *child) -{ - DBG_OBJ_ENTER ("resize.oofm", 0, "isVPosComplete", "[%p]", child->widget); - bool b = - (style::isAbsLength (child->widget->getStyle()->top) || - style::isPerLength (child->widget->getStyle()->top)) && - (style::isAbsLength (child->widget->getStyle()->bottom) || - style::isPerLength (child->widget->getStyle()->bottom)); - DBG_OBJ_LEAVE_VAL ("%s", boolToStr (b)); - return b; -} - -bool OOFPositionedMgr::isHPosCalculable (Child *child, bool allocated) -{ - DBG_OBJ_ENTER ("resize.oofm", 0, "isHPosCalculable", "[%p], %s", - child->widget, boolToStr (allocated)); - bool b = - allocated || (isHPosComplete (child) && child->reference == container); - DBG_OBJ_LEAVE_VAL ("%s", boolToStr (b)); - return b; -} - -bool OOFPositionedMgr::isVPosCalculable (Child *child, bool allocated) -{ - DBG_OBJ_ENTER ("resize.oofm", 0, "isVPosCalculable", "[%p], %s", - child->widget, boolToStr (allocated)); - bool b = - allocated || (isVPosComplete (child) && child->reference == container); - DBG_OBJ_LEAVE_VAL ("%s", boolToStr (b)); - return b; -} - -bool OOFPositionedMgr::isPosCalculable (Child *child, bool allocated) -{ - DBG_OBJ_ENTER ("resize.oofm", 0, "isPosCalculable", "[%p], %s", - child->widget, boolToStr (allocated)); - bool b = isHPosCalculable (child, allocated) && - isVPosCalculable (child, allocated); - DBG_OBJ_LEAVE_VAL ("%s", boolToStr (b)); - return b; -} - -void OOFPositionedMgr::calcPosAndSizeChildOfChild (Child *child, int refWidth, - int refHeight, int *xPtr, - int *yPtr, int *widthPtr, - int *ascentPtr, - int *descentPtr) -{ - // *xPtr and *yPtr refer to reference area; caller must adjust them. - - DBG_OBJ_ENTER ("resize.oofm", 0, "calcPosAndSizeChildOfChild", - "[%p], %d, %d, ...", child->widget, refWidth, refHeight); - - // TODO (i) Consider {min|max}-{width|heigt}. (ii) Height is always - // apportioned to descent (ascent is preserved), which makes sense - // when the children are textblocks. (iii) Consider minimal width - // (getMinWidth)? - - Requisition childRequisition; - child->widget->sizeRequest (&childRequisition); - - calcHPosAndSizeChildOfChild (child, refWidth, childRequisition.width, - xPtr, widthPtr); - calcVPosAndSizeChildOfChild (child, refHeight, childRequisition.ascent, - childRequisition.descent, yPtr, ascentPtr, - descentPtr); - - DBG_OBJ_LEAVE (); -} - -void OOFPositionedMgr::calcHPosAndSizeChildOfChild (Child *child, int refWidth, - int origChildWidth, - int *xPtr, int *widthPtr) -{ - assert (refWidth != -1 || (xPtr == NULL && widthPtr == NULL)); - - int width; - bool widthDefined; - if (style::isAbsLength (child->widget->getStyle()->width)) { - DBG_OBJ_MSGF ("resize.oofm", 1, "absolute width: %dpx", - style::absLengthVal (child->widget->getStyle()->width)); - width = style::absLengthVal (child->widget->getStyle()->width) - + child->widget->boxDiffWidth (); - widthDefined = true; - } else if (style::isPerLength (child->widget->getStyle()->width)) { - DBG_OBJ_MSGF ("resize.oofm", 1, "percentage width: %g%%", - 100 * style::perLengthVal_useThisOnlyForDebugging - (child->widget->getStyle()->width)); - width = style::multiplyWithPerLength (refWidth, - child->widget->getStyle()->width) - + child->widget->boxDiffWidth (); - widthDefined = true; - } else { - DBG_OBJ_MSG ("resize.oofm", 1, "width not specified"); - width = origChildWidth; - widthDefined = false; - } - - int left = getPosLeft (child->widget, refWidth), - right = getPosRight (child->widget, refWidth); - DBG_OBJ_MSGF ("resize.oofm", 1, - "=> left = %d, right = %d, width = %d (defined: %s)", - left, right, width, widthDefined ? "true" : "false"); - - if (xPtr) { - if (left == -1 && right == -1) { - assert (child->generator == container || - (containerAllocationState != NOT_ALLOCATED - && child->generator->wasAllocated ())); - *xPtr = - child->x + (child->generator == container ? 0 : - child->generator->getAllocation()->x - - (containerAllocation.x + containerBoxOffsetX ())); - } else { - assert (child->reference == container || - (containerAllocationState != NOT_ALLOCATED - && child->reference->wasAllocated ())); - int xBase = child->reference == container ? 0 : - child->generator->getAllocation()->x - containerAllocation.x; - DBG_OBJ_MSGF ("resize.oofm", 0, "=> xBase = %d", xBase); - - if (left == -1 && right != -1) - *xPtr = xBase + refWidth - width - right; - else if (left != -1 && right == -1) - *xPtr = xBase + left; - else { - *xPtr = xBase + left; - if (!widthDefined) { - width = refWidth - (left + right); - DBG_OBJ_MSGF ("resize.oofm", 0, "=> width (corrected) = %d", - width); - } - } - } - - DBG_OBJ_MSGF ("resize.oofm", 0, "=> x = %d", *xPtr); - } - - if (widthPtr) - *widthPtr = width; -} - -void OOFPositionedMgr::calcVPosAndSizeChildOfChild (Child *child, int refHeight, - int origChildAscent, - int origChildDescent, - int *yPtr, int *ascentPtr, - int *descentPtr) -{ - assert (refHeight != -1 || - (yPtr == NULL && ascentPtr == NULL && descentPtr == NULL)); - - int ascent = origChildAscent, descent = origChildDescent; - bool heightDefined; - - if (style::isAbsLength (child->widget->getStyle()->height)) { - DBG_OBJ_MSGF ("resize.oofm", 1, "absolute height: %dpx", - style::absLengthVal (child->widget->getStyle()->height)); - int height = style::absLengthVal (child->widget->getStyle()->height) - + child->widget->boxDiffHeight (); - splitHeightPreserveAscent (height, &ascent, &descent); - heightDefined = true; - } else if (style::isPerLength (child->widget->getStyle()->height)) { - DBG_OBJ_MSGF ("resize.oofm", 1, "percentage height: %g%%", - 100 * style::perLengthVal_useThisOnlyForDebugging - (child->widget->getStyle()->height)); - int height = - style::multiplyWithPerLength (refHeight, - child->widget->getStyle()->height) - + child->widget->boxDiffHeight (); - splitHeightPreserveAscent (height, &ascent, &descent); - heightDefined = true; - } else { - DBG_OBJ_MSG ("resize.oofm", 1, "height not specified"); - heightDefined = false; - } - - int top = getPosTop (child->widget, refHeight), - bottom = getPosBottom (child->widget, refHeight); - DBG_OBJ_MSGF ("resize.oofm", 1, - "=> top = %d, bottom = %d, height = %d + %d (defined: %s)", - top, bottom, ascent, descent, - heightDefined ? "true" : "false"); - - if (yPtr) { - if (top == -1 && bottom == -1) { - assert (child->generator == container || - (containerAllocationState != NOT_ALLOCATED - && child->generator->wasAllocated ())); - *yPtr = - child->y + (child->generator == container ? 0 : - child->generator->getAllocation()->y - - (containerAllocation.y + containerBoxOffsetY ())); - } else { - assert (child->reference == container || - (containerAllocationState != NOT_ALLOCATED - && child->reference->wasAllocated ())); - int yBase = child->reference == container ? 0 : - child->generator->getAllocation()->y - containerAllocation.y; - DBG_OBJ_MSGF ("resize.oofm", 0, "=> yBase = %d", yBase); - - if (top == -1 && bottom != -1) - *yPtr = yBase + refHeight - (ascent + descent) - bottom; - else if (top != -1 && bottom == -1) - *yPtr = yBase + top; - else { - *yPtr = yBase + top; - if (!heightDefined) { - int height = refHeight - (top + bottom); - splitHeightPreserveAscent (height, &ascent, &descent); - DBG_OBJ_MSGF ("resize.oofm", 0, - "=> ascent + descent (corrected) = %d + %d", - ascent, descent); - } - } - } - - DBG_OBJ_MSGF ("resize.oofm", 0, "=> y = %d", *yPtr); - } - - if (ascentPtr) - *ascentPtr = ascent; - if (descentPtr) - *descentPtr = descent; -} - -int OOFPositionedMgr::getNumWidgets () -{ - return children->size(); -} - -Widget *OOFPositionedMgr::getWidget (int i) -{ - return children->get(i)->widget; -} - } // namespace oof } // namespace dw |