diff options
Diffstat (limited to 'dw/widget.cc')
| -rw-r--r-- | dw/widget.cc | 121 |
1 files changed, 82 insertions, 39 deletions
diff --git a/dw/widget.cc b/dw/widget.cc index 374c1c2a..21fb80a4 100644 --- a/dw/widget.cc +++ b/dw/widget.cc @@ -689,30 +689,28 @@ void Widget::correctRequisition (Requisition *requisition, requisition->width = width; if (minWidth != -1 && requisition->width < minWidth) requisition->width = minWidth; - if (maxWidth != -1 && requisition->width < maxWidth) + if (maxWidth != -1 && requisition->width > maxWidth) requisition->width = maxWidth; + // For layout->viewportHeight, see comment in getAvailHeight(). + int height = calcHeight (getStyle()->height, false, + layout->viewportHeight, NULL); + int minHeight = calcHeight (getStyle()->minHeight, false, + layout->viewportHeight, NULL); + int maxHeight = calcHeight (getStyle()->maxHeight, false, + layout->viewportHeight, NULL); + // TODO Perhaps split first, then add box ascent and descent. - if (style::isAbsLength (getStyle()->height)) { - DBG_OBJ_MSGF ("resize", 1, "absolute height: %dpx", - style::absLengthVal (getStyle()->height)); - splitHeightFun (style::absLengthVal (getStyle()->height) - + boxDiffHeight (), - &requisition->ascent, &requisition->descent); - } else if (style::isPerLength (getStyle()->height)) { - DBG_OBJ_MSGF ("resize", 1, "percentage height: %g%%", - 100 * style::perLengthVal_useThisOnlyForDebugging - (getStyle()->height)); -#if 0 - // TODO Percentage heights are somewhat more complicated. Has - // to be clarified. - - // For layout->viewportHeight, see comment in getAvailHeight(). - splitHeightFun (applyPerHeight (layout->viewportHeight, - getStyle()->height), - &requisition->ascent, &requisition->descent); -#endif - } + if (height != -1) + splitHeightFun (height, &requisition->ascent, &requisition->descent); + if (minHeight != -1 && + requisition->ascent + requisition->descent < minHeight) + splitHeightFun (minHeight, &requisition->ascent, + &requisition->descent); + if (maxHeight != -1 && + requisition->ascent + requisition->descent > maxHeight) + splitHeightFun (maxHeight, &requisition->ascent, + &requisition->descent); DBG_OBJ_MSG_END (); } else if (parent) { @@ -823,6 +821,53 @@ int Widget::calcWidth (style::Length cssValue, int refWidth, Widget *refWidget, return width; } +int Widget::calcHeight (style::Length cssValue, bool usePercentage, + int refHeight, Widget *refWidget) +{ + // TODO Search for usage of this method and check the value of + // "usePercentage"; this has to be clarified. + + DBG_OBJ_ENTER ("resize", 0, "calcHeight", "0x%x, %s, %d, %p", + cssValue, usePercentage ? "true" : "false", refHeight, + refWidget); + + assert (refHeight != -1 || refWidget != NULL); + + int height = 0; + + if (style::isAbsLength (cssValue)) { + DBG_OBJ_MSGF ("resize", 1, "absolute height: %dpx", + style::absLengthVal (cssValue)); + height = + misc::max (style::absLengthVal (cssValue) + boxDiffHeight (), 0); + } else if (style::isPerLength (cssValue)) { + DBG_OBJ_MSGF ("resize", 1, "percentage height: %g%%", + 100 * + style::perLengthVal_useThisOnlyForDebugging (cssValue)); + if (usePercentage) { + if (refHeight != -1) + height = misc::max (applyPerHeight (refHeight, cssValue), 0); + else { + int availHeight = refWidget->getAvailHeight (false); + if (availHeight != -1) { + int containerHeight = availHeight - refWidget->boxDiffHeight (); + height = + misc::max (applyPerHeight (containerHeight, cssValue), 0); + } else + height = -1; + } + } else + height = -1; + } else { + DBG_OBJ_MSG ("resize", 1, "not specified"); + height = -1; + } + + DBG_OBJ_MSGF ("resize", 1, "=> %d", height); + DBG_OBJ_LEAVE (); + return height; +} + /** * \brief Wrapper for Widget::getExtremesImpl(). */ @@ -1560,25 +1605,23 @@ void Widget::correctReqHeightOfChild (Widget *child, Requisition *requisition, "%p, %d * (%d + %d), ...", child, requisition->width, requisition->ascent, requisition->descent); + int height = child->calcHeight (child->getStyle()->height, false, -1, this); + int minHeight = + child->calcHeight (child->getStyle()->minHeight, false, -1, this); + int maxHeight = + child->calcHeight (child->getStyle()->maxHeight, false, -1, this); + // TODO Perhaps split first, then add box ascent and descent. - if (style::isAbsLength (child->getStyle()->height)) - splitHeightFun (style::absLengthVal (child->getStyle()->height) - + child->boxDiffHeight (), - &requisition->ascent, &requisition->descent); - else if (style::isPerLength (child->getStyle()->height)) { -#if 0 - // TODO Percentage heights are somewhat more complicated. Has to - // be clarified. See also Widget::correctRequisition. - - int availHeight = getAvailHeight (false); - if (availHeight != -1) { - int containerHeight = availHeight - boxDiffHeight (); - splitHeightFun (child->applyPerHeight (containerHeight, - child->getStyle()->height), - &requisition->ascent, &requisition->descent); - } -#endif - } + if (height != -1) + splitHeightFun (height, &requisition->ascent, &requisition->descent); + if (minHeight != -1 && + requisition->ascent + requisition->descent < minHeight) + splitHeightFun (minHeight, &requisition->ascent, + &requisition->descent); + if (maxHeight != -1 && + requisition->ascent + requisition->descent > maxHeight) + splitHeightFun (maxHeight, &requisition->ascent, + &requisition->descent); DBG_OBJ_MSGF ("resize", 1, "=> %d * (%d + %d)", requisition->width, requisition->ascent, |