Definition at line 89 of file qboxlayout.cpp.
Public Member Functions | |
| QBoxLayoutPrivate () | |
| ~QBoxLayoutPrivate () | |
| void | setDirty () |
| void | deleteAll () |
| void | setupGeom () |
| void | calcHfw (int) |
Public Attributes | |
| QList< QBoxLayoutItem * > | list |
| QVector< QLayoutStruct > | geomArray |
| int | hfwWidth |
| int | hfwHeight |
| int | hfwMinHeight |
| QSize | sizeHint |
| QSize | minSize |
| QSize | maxSize |
| Qt::Orientations | expanding |
| uint | hasHfw: 1 |
| uint | dirty: 1 |
| QBoxLayout::Direction | dir |
| QBoxLayoutPrivate::QBoxLayoutPrivate | ( | ) | [inline] |
| QBoxLayoutPrivate::~QBoxLayoutPrivate | ( | ) |
| void QBoxLayoutPrivate::setDirty | ( | ) | [inline] |
| void QBoxLayoutPrivate::deleteAll | ( | ) | [inline] |
Definition at line 116 of file qboxlayout.cpp.
References QList< T >::isEmpty(), list, and QList< T >::takeFirst().
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| void QBoxLayoutPrivate::setupGeom | ( | ) |
Definition at line 136 of file qboxlayout.cpp.
References a, QList< T >::at(), QSize::boundedTo(), QVector< T >::clear(), QList< T >::count(), dir, dirty, qdesigner_internal::expand(), QSize::expandedTo(), expanding, geomArray, hasHfw, QSize::height(), Qt::Horizontal, horz(), i, QSize::isEmpty(), QBoxLayoutItem::item, list, QLayoutItem::maximumSize(), maxSize, minSize, n, QLAYOUTSIZE_MAX, qMax(), qMaxExpCalc(), sizeHint, Qt::Vertical, and QSize::width().
00137 { 00138 if (!dirty) 00139 return; 00140 00141 Q_Q(QBoxLayout); 00142 int maxw = horz(dir) ? 0 : QLAYOUTSIZE_MAX; 00143 int maxh = horz(dir) ? QLAYOUTSIZE_MAX : 0; 00144 int minw = 0; 00145 int minh = 0; 00146 int hintw = 0; 00147 int hinth = 0; 00148 00149 bool horexp = false; 00150 bool verexp = false; 00151 00152 hasHfw = false; 00153 00154 int n = list.count(); 00155 geomArray.clear(); 00156 QVector<QLayoutStruct> a(n); 00157 00158 bool first = true; // empty so far? 00159 for (int i = 0; i < n; i++) { 00160 QBoxLayoutItem *box = list.at(i); 00161 QSize max = box->item->maximumSize(); 00162 QSize min = box->item->minimumSize(); 00163 QSize hint = box->item->sizeHint(); 00164 Qt::Orientations exp = box->item->expandingDirections(); 00165 bool empty = box->item->isEmpty(); 00166 // space before non-empties, except the first: 00167 int space = (empty || first) ? 0 : q->spacing(); 00168 bool ignore = empty && box->item->widget(); // ignore hidden widgets 00169 if (horz(dir)) { 00170 bool expand = exp & Qt::Horizontal || box->stretch > 0; 00171 horexp = horexp || expand; 00172 maxw += max.width() + space; 00173 minw += min.width() + space; 00174 hintw += hint.width() + space; 00175 if (!ignore) 00176 qMaxExpCalc(maxh, verexp, first, 00177 max.height(), exp & Qt::Vertical, box->item->isEmpty()); 00178 minh = qMax(minh, min.height()); 00179 hinth = qMax(hinth, hint.height()); 00180 00181 a[i].sizeHint = hint.width(); 00182 a[i].maximumSize = max.width(); 00183 a[i].minimumSize = min.width(); 00184 a[i].expansive = expand; 00185 a[i].stretch = box->stretch ? box->stretch : box->hStretch(); 00186 } else { 00187 bool expand = (exp & Qt::Vertical || box->stretch > 0); 00188 verexp = verexp || expand; 00189 maxh += max.height() + space; 00190 minh += min.height() + space; 00191 hinth += hint.height() + space; 00192 if (!ignore) 00193 qMaxExpCalc(maxw, horexp, first, 00194 max.width(), exp & Qt::Horizontal, box->item->isEmpty()); 00195 minw = qMax(minw, min.width()); 00196 hintw = qMax(hintw, hint.width()); 00197 00198 a[i].sizeHint = hint.height(); 00199 a[i].maximumSize = max.height(); 00200 a[i].minimumSize = min.height(); 00201 a[i].expansive = expand; 00202 a[i].stretch = box->stretch ? box->stretch : box->vStretch(); 00203 } 00204 00205 a[i].empty = empty; 00206 hasHfw = hasHfw || box->item->hasHeightForWidth(); 00207 } 00208 geomArray = a; 00209 00210 expanding = (Qt::Orientations) 00211 ((horexp ? Qt::Horizontal : 0) 00212 | (verexp ? Qt::Vertical : 0)); 00213 00214 minSize = QSize(minw, minh); 00215 maxSize = QSize(maxw, maxh).expandedTo(minSize); 00216 sizeHint = QSize(hintw, hinth) 00217 .expandedTo(minSize) 00218 .boundedTo(maxSize); 00219 00220 dirty = false; 00221 }
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| void QBoxLayoutPrivate::calcHfw | ( | int | ) |
Definition at line 226 of file qboxlayout.cpp.
References a, QList< T >::at(), dir, geomArray, h, hfwHeight, hfwMinHeight, hfwWidth, horz(), i, QLayoutItem::isEmpty(), QBoxLayoutItem::item, list, n, qGeomCalc(), qMax(), and QList< T >::size().
00227 { 00228 Q_Q(QBoxLayout); 00229 int h = 0; 00230 int mh = 0; 00231 00232 if (horz(dir)) { 00233 QVector<QLayoutStruct> &a = geomArray; 00234 int n = a.count(); 00235 qGeomCalc(a, 0, n, 0, w, q->spacing()); 00236 for (int i = 0; i < n; i++) { 00237 QBoxLayoutItem *box = list.at(i); 00238 h = qMax(h, box->hfw(a[i].size)); 00239 mh = qMax(mh, box->mhfw(a[i].size)); 00240 } 00241 } else { 00242 bool first = true; 00243 for (int i = 0; i < list.size(); ++i) { 00244 QBoxLayoutItem *box = list.at(i); 00245 bool empty = box->item->isEmpty(); 00246 h += box->hfw(w); 00247 mh += box->mhfw(w); 00248 if (!first && !empty) { 00249 h += q->spacing(); 00250 mh += q->spacing(); 00251 } 00252 first = first && empty; 00253 } 00254 } 00255 hfwWidth = w; 00256 hfwHeight = h; 00257 hfwMinHeight = mh; 00258 }
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Definition at line 103 of file qboxlayout.cpp.
Referenced by calcHfw(), deleteAll(), and setupGeom().
Definition at line 104 of file qboxlayout.cpp.
Referenced by calcHfw(), setDirty(), and setupGeom().
| Qt::Orientations QBoxLayoutPrivate::expanding |
1.5.1
