diff options
-rw-r--r-- | dw/oofawarewidget.hh | 8 | ||||
-rw-r--r-- | dw/oofposabslikemgr.cc | 557 | ||||
-rw-r--r-- | dw/oofposabslikemgr.hh | 52 | ||||
-rw-r--r-- | dw/oofposabsmgr.cc | 2 | ||||
-rw-r--r-- | dw/oofposfixedmgr.cc | 2 | ||||
-rw-r--r-- | dw/oofpositionedmgr.cc | 565 | ||||
-rw-r--r-- | dw/oofpositionedmgr.hh | 44 | ||||
-rw-r--r-- | dw/oofposrelmgr.cc | 87 | ||||
-rw-r--r-- | dw/oofposrelmgr.hh | 15 |
9 files changed, 700 insertions, 632 deletions
diff --git a/dw/oofawarewidget.hh b/dw/oofawarewidget.hh index 249dfe9a..9ac83eee 100644 --- a/dw/oofawarewidget.hh +++ b/dw/oofawarewidget.hh @@ -175,9 +175,6 @@ protected: void notifySetAsTopLevel(); void notifySetParent(); - int getAvailWidthOfChild (Widget *child, bool forceValue); - int getAvailHeightOfChild (Widget *child, bool forceValue); - void removeChild (Widget *child); @@ -231,6 +228,11 @@ public: static inline bool testWidgetOutOfFlow (Widget *widget) { return testStyleOutOfFlow (widget->getStyle ()); } + // These two methods (which are protected in Widget) are made public + // for OOFPosRelMgr. + int getAvailWidthOfChild (Widget *child, bool forceValue); + int getAvailHeightOfChild (Widget *child, bool forceValue); + bool doesWidgetOOFInterruptDrawing (Widget *widget); void draw (core::View *view, core::Rectangle *area, diff --git a/dw/oofposabslikemgr.cc b/dw/oofposabslikemgr.cc index f73b34d2..aed328ee 100644 --- a/dw/oofposabslikemgr.cc +++ b/dw/oofposabslikemgr.cc @@ -18,6 +18,10 @@ */ #include "oofposabslikemgr.hh" +#include "oofawarewidget.hh" + +using namespace dw::core; +using namespace lout::misc; namespace dw { @@ -34,6 +38,559 @@ OOFPosAbsLikeMgr::~OOFPosAbsLikeMgr () DBG_OBJ_DELETE (); } +void OOFPosAbsLikeMgr::calcWidgetRefSize (Widget *widget, Requisition *size) +{ + size->width = size->ascent = size->descent = 0; +} + +void OOFPosAbsLikeMgr::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 OOFPosAbsLikeMgr::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 OOFPosAbsLikeMgr::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 (); +} + +bool OOFPosAbsLikeMgr::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 OOFPosAbsLikeMgr::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 OOFPosAbsLikeMgr::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 (); +} + +void OOFPosAbsLikeMgr::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 OOFPosAbsLikeMgr::getAvailWidthOfChild (Widget *child, bool forceValue) +{ + 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; +} + +int OOFPosAbsLikeMgr::getAvailHeightOfChild (Widget *child, bool forceValue) +{ + 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; +} + +bool OOFPosAbsLikeMgr::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 OOFPosAbsLikeMgr::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 OOFPosAbsLikeMgr::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 OOFPosAbsLikeMgr::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 OOFPosAbsLikeMgr::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 OOFPosAbsLikeMgr::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 OOFPosAbsLikeMgr::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 OOFPosAbsLikeMgr::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; +} + } // namespace oof } // namespace dw diff --git a/dw/oofposabslikemgr.hh b/dw/oofposabslikemgr.hh index 0c0e7fef..61c3ed8c 100644 --- a/dw/oofposabslikemgr.hh +++ b/dw/oofposabslikemgr.hh @@ -9,9 +9,61 @@ namespace oof { class OOFPosAbsLikeMgr: public OOFPositionedMgr { +protected: + virtual int containerBoxOffsetX () = 0; + virtual int containerBoxOffsetY () = 0; + virtual int containerBoxRestWidth () = 0; + virtual int containerBoxRestHeight () = 0; + + inline int containerBoxDiffWidth () + { return containerBoxOffsetX () + containerBoxRestWidth (); } + inline int containerBoxDiffHeight () + { return containerBoxOffsetY () + containerBoxRestHeight (); } + + enum { NOT_ALLOCATED, IN_ALLOCATION, WAS_ALLOCATED } + containerAllocationState; + + + bool doChildrenExceedContainer (); + bool haveExtremesChanged (); + void sizeAllocateChildren (); + + bool isHPosComplete (Child *child); + bool isVPosComplete (Child *child); + + bool isHPosCalculable (Child *child, bool allocated); + bool isVPosCalculable (Child *child, bool allocated); + + bool isPosCalculable (Child *child, bool allocated); + + void calcPosAndSizeChildOfChild (Child *child, int refWidth, int refHeight, + int *xPtr, int *yPtr, int *widthPtr, + int *ascentPtr, int *descentPtr); + void calcHPosAndSizeChildOfChild (Child *child, int refWidth, + int origChildWidth, int *xPtr, + int *widthPtr); + void calcVPosAndSizeChildOfChild (Child *child, int refHeight, + int origChildAscent, int origChildDescent, + int *yPtr, int *ascentPtr, + int *descentPtr); + + public: OOFPosAbsLikeMgr (OOFAwareWidget *container); ~OOFPosAbsLikeMgr (); + + void calcWidgetRefSize (core::Widget *widget, core::Requisition *size); + + void sizeAllocateStart (OOFAwareWidget *caller, + core::Allocation *allocation); + void sizeAllocateEnd (OOFAwareWidget *caller); + void getSize (core::Requisition *containerReq, int *oofWidth, + int *oofHeight); + void getExtremes (core::Extremes *containerExtr, + int *oofMinWidth, int *oofMaxWidth); + + int getAvailWidthOfChild (core::Widget *child, bool forceValue); + int getAvailHeightOfChild (core::Widget *child, bool forceValue); }; } // namespace oof diff --git a/dw/oofposabsmgr.cc b/dw/oofposabsmgr.cc index a0b8b721..5dc8e7f4 100644 --- a/dw/oofposabsmgr.cc +++ b/dw/oofposabsmgr.cc @@ -25,7 +25,7 @@ namespace dw { namespace oof { OOFPosAbsMgr::OOFPosAbsMgr (OOFAwareWidget *container) : - OOFPositionedMgr (container) + OOFPosAbsLikeMgr (container) { DBG_OBJ_CREATE ("dw::OOFPosAbsMgr"); } diff --git a/dw/oofposfixedmgr.cc b/dw/oofposfixedmgr.cc index ea5f9b5c..ef26de41 100644 --- a/dw/oofposfixedmgr.cc +++ b/dw/oofposfixedmgr.cc @@ -24,7 +24,7 @@ namespace dw { namespace oof { OOFPosFixedMgr::OOFPosFixedMgr (OOFAwareWidget *container) : - OOFPositionedMgr (container) + OOFPosAbsLikeMgr (container) { DBG_OBJ_CREATE ("dw::OOFPosFixedMgr"); } 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 diff --git a/dw/oofpositionedmgr.hh b/dw/oofpositionedmgr.hh index 9fa80cf5..00941da5 100644 --- a/dw/oofpositionedmgr.hh +++ b/dw/oofpositionedmgr.hh @@ -25,29 +25,14 @@ protected: }; virtual bool isReference (core::Widget *widget) = 0; - virtual int containerBoxOffsetX () = 0; - virtual int containerBoxOffsetY () = 0; - virtual int containerBoxRestWidth () = 0; - virtual int containerBoxRestHeight () = 0; - - inline int containerBoxDiffWidth () - { return containerBoxOffsetX () + containerBoxRestWidth (); } - inline int containerBoxDiffHeight () - { return containerBoxOffsetY () + containerBoxRestHeight (); } OOFAwareWidget *container; - enum { NOT_ALLOCATED, IN_ALLOCATION, WAS_ALLOCATED } - containerAllocationState; core::Allocation containerAllocation; lout::container::typed::Vector<Child> *children; lout::container::typed::HashTable<lout::object::TypedPointer <dw::core::Widget>, Child> *childrenByWidget; - - bool doChildrenExceedContainer (); - bool haveExtremesChanged (); - void sizeAllocateChildren (); inline int getPosLeft (core::Widget *child, int availWidth) { return getPosBorder (child->getStyle()->left, availWidth); } @@ -60,32 +45,10 @@ protected: int getPosBorder (core::style::Length cssValue, int refLength); - bool isHPosComplete (Child *child); - bool isVPosComplete (Child *child); - - bool isHPosCalculable (Child *child, bool allocated); - bool isVPosCalculable (Child *child, bool allocated); - - bool isPosCalculable (Child *child, bool allocated); - - void calcPosAndSizeChildOfChild (Child *child, int refWidth, int refHeight, - int *xPtr, int *yPtr, int *widthPtr, - int *ascentPtr, int *descentPtr); - void calcHPosAndSizeChildOfChild (Child *child, int refWidth, - int origChildWidth, int *xPtr, - int *widthPtr); - void calcVPosAndSizeChildOfChild (Child *child, int refHeight, - int origChildAscent, int origChildDescent, - int *yPtr, int *ascentPtr, - int *descentPtr); - public: OOFPositionedMgr (OOFAwareWidget *container); ~OOFPositionedMgr (); - void sizeAllocateStart (OOFAwareWidget *caller, - core::Allocation *allocation); - void sizeAllocateEnd (OOFAwareWidget *caller); void containerSizeChangedForChildren (); void draw (core::View *view, core::Rectangle *area, core::DrawingContext *context); @@ -99,17 +62,12 @@ public: int externalIndex); int addWidgetOOF (core::Widget *widget, OOFAwareWidget *generator, int externalIndex); - void calcWidgetRefSize (core::Widget *widget, core::Requisition *size); void moveExternalIndices (OOFAwareWidget *generator, int oldStartIndex, int diff); void tellPosition (core::Widget *widget, int x, int y); - void getSize (core::Requisition *containerReq, int *oofWidth, - int *oofHeight); bool containerMustAdjustExtraSpace (); - void getExtremes (core::Extremes *containerExtr, - int *oofMinWidth, int *oofMaxWidth); int getLeftBorder (OOFAwareWidget *widget, int y, int h, OOFAwareWidget *lastGen, int lastExtIndex); @@ -133,8 +91,6 @@ public: bool mayAffectBordersAtAll (); bool dealingWithSizeOfChild (core::Widget *child); - int getAvailWidthOfChild (core::Widget *child, bool forceValue); - int getAvailHeightOfChild (core::Widget *child, bool forceValue); int getNumWidgets (); core::Widget *getWidget (int i); diff --git a/dw/oofposrelmgr.cc b/dw/oofposrelmgr.cc index ecb47ba4..3777755c 100644 --- a/dw/oofposrelmgr.cc +++ b/dw/oofposrelmgr.cc @@ -20,6 +20,10 @@ #include "oofposrelmgr.hh" #include "oofawarewidget.hh" +using namespace dw::core; +using namespace lout::object; +using namespace lout::misc; + namespace dw { namespace oof { @@ -50,8 +54,7 @@ void OOFPosRelMgr::markExtremesChange (int ref) { } -void OOFPosRelMgr::calcWidgetRefSize (core::Widget *widget, - core::Requisition *size) +void OOFPosRelMgr::calcWidgetRefSize (Widget *widget, Requisition *size) { DBG_OBJ_ENTER ("resize.oofm", 0, "calcWidgetRefSize", "%p", widget); widget->sizeRequest (size); @@ -59,36 +62,84 @@ void OOFPosRelMgr::calcWidgetRefSize (core::Widget *widget, size->width, size->ascent, size->descent); } -bool OOFPosRelMgr::isReference (core::Widget *widget) + +void OOFPosRelMgr::sizeAllocateStart (OOFAwareWidget *caller, + Allocation *allocation) { - // TODO Remove soon. This implementation will imply reference = container. - return false; + containerAllocation = *allocation; } -// TODO: Check all containerBox* implementations. +void OOFPosRelMgr::sizeAllocateEnd (OOFAwareWidget *caller) +{ + if (caller == container) { + for (int i = 0; i < children->size (); i++) { + Child *child = children->get(i); + + Requisition childReq; + child->widget->sizeRequest (&childReq); + + Allocation childAlloc; + childAlloc.x = containerAllocation.x + + container->getStyle()->boxOffsetX () + child->x; + childAlloc.y = containerAllocation.y + + container->getStyle()->boxOffsetY () + child->y; + childAlloc.width = childReq.width; + childAlloc.ascent = childReq.ascent; + childAlloc.descent = childReq.descent; + child->widget->sizeAllocate (&childAlloc); + } + } +} -int OOFPosRelMgr::containerBoxOffsetX () +void OOFPosRelMgr::getSize (Requisition *containerReq, int *oofWidth, + int *oofHeight) { - return container->getParent () ? - container->boxOffsetX () - container->getStyle()->padding.left : 0; + *oofWidth = *oofHeight = 0; + + for (int i = 0; i < children->size (); i++) { + Child *child = children->get(i); + Requisition childReq; + child->widget->sizeRequest (&childReq); + *oofWidth = max (*oofWidth, child->x + childReq.width); + *oofHeight = max (*oofHeight, + child->y + childReq.ascent + childReq.descent); + } } -int OOFPosRelMgr::containerBoxOffsetY () +void OOFPosRelMgr::getExtremes (Extremes *containerExtr, int *oofMinWidth, + int *oofMaxWidth) { - return container->getParent () ? - container->boxOffsetY () - container->getStyle()->padding.top : 0; + *oofMinWidth = *oofMaxWidth = 0; + + for (int i = 0; i < children->size (); i++) { + Child *child = children->get(i); + Extremes childExtr; + child->widget->getExtremes (&childExtr); + *oofMinWidth = max (*oofMinWidth, child->x + childExtr.minWidth); + *oofMaxWidth = max (*oofMaxWidth, child->x + childExtr.maxWidth); + } } -int OOFPosRelMgr::containerBoxRestWidth () +int OOFPosRelMgr::getAvailWidthOfChild (Widget *child, bool forceValue) { - return container->getParent () ? - container->boxRestWidth () - container->getStyle()->padding.right : 0; + TypedPointer<Widget> key (child); + Child *tshild = childrenByWidget->get (&key); + assert (tshild); + return tshild->generator->getAvailWidthOfChild (child, forceValue); } -int OOFPosRelMgr::containerBoxRestHeight () +int OOFPosRelMgr::getAvailHeightOfChild (Widget *child, bool forceValue) { - return container->getParent () ? - container->boxRestHeight () - container->getStyle()->padding.bottom : 0; + TypedPointer<Widget> key (child); + Child *tshild = childrenByWidget->get (&key); + assert (tshild); + return tshild->generator->getAvailHeightOfChild (child, forceValue); +} + +bool OOFPosRelMgr::isReference (Widget *widget) +{ + // TODO Remove soon. This implementation will imply reference = container. + return false; } } // namespace oof diff --git a/dw/oofposrelmgr.hh b/dw/oofposrelmgr.hh index 6f712a84..90323094 100644 --- a/dw/oofposrelmgr.hh +++ b/dw/oofposrelmgr.hh @@ -11,10 +11,6 @@ class OOFPosRelMgr: public OOFPositionedMgr { protected: bool isReference (core::Widget *widget); - int containerBoxOffsetX (); - int containerBoxOffsetY (); - int containerBoxRestWidth (); - int containerBoxRestHeight (); public: OOFPosRelMgr (OOFAwareWidget *container); @@ -23,6 +19,17 @@ public: void markSizeChange (int ref); void markExtremesChange (int ref); void calcWidgetRefSize (core::Widget *widget, core::Requisition *size); + + void sizeAllocateStart (OOFAwareWidget *caller, + core::Allocation *allocation); + void sizeAllocateEnd (OOFAwareWidget *caller); + void getSize (core::Requisition *containerReq, int *oofWidth, + int *oofHeight); + void getExtremes (core::Extremes *containerExtr, int *oofMinWidth, + int *oofMaxWidth); + + int getAvailWidthOfChild (core::Widget *child, bool forceValue); + int getAvailHeightOfChild (core::Widget *child, bool forceValue); }; } // namespace oof |