diff options
Diffstat (limited to 'examples/layouts/flowlayout/flowlayout.cpp')
| -rw-r--r-- | examples/layouts/flowlayout/flowlayout.cpp | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/examples/layouts/flowlayout/flowlayout.cpp b/examples/layouts/flowlayout/flowlayout.cpp index c4032d0..263911d 100644 --- a/examples/layouts/flowlayout/flowlayout.cpp +++ b/examples/layouts/flowlayout/flowlayout.cpp @@ -42,7 +42,7 @@ #include <QtGui> #include "flowlayout.h" - +//! [1] FlowLayout::FlowLayout(QWidget *parent, int margin, int hSpacing, int vSpacing) : QLayout(parent), m_hSpace(hSpacing), m_vSpace(vSpacing) { @@ -54,19 +54,25 @@ FlowLayout::FlowLayout(int margin, int hSpacing, int vSpacing) { setContentsMargins(margin, margin, margin, margin); } +//! [1] +//! [2] FlowLayout::~FlowLayout() { QLayoutItem *item; while ((item = takeAt(0))) delete item; } +//! [2] +//! [3] void FlowLayout::addItem(QLayoutItem *item) { itemList.append(item); } +//! [3] +//! [4] int FlowLayout::horizontalSpacing() const { if (m_hSpace >= 0) { @@ -84,7 +90,9 @@ int FlowLayout::verticalSpacing() const return smartSpacing(QStyle::PM_LayoutVerticalSpacing); } } +//! [4] +//! [5] int FlowLayout::count() const { return itemList.size(); @@ -102,12 +110,16 @@ QLayoutItem *FlowLayout::takeAt(int index) else return 0; } +//! [5] +//! [6] Qt::Orientations FlowLayout::expandingDirections() const { return 0; } +//! [6] +//! [7] bool FlowLayout::hasHeightForWidth() const { return true; @@ -118,7 +130,9 @@ int FlowLayout::heightForWidth(int width) const int height = doLayout(QRect(0, 0, width, 0), true); return height; } +//! [7] +//! [8] void FlowLayout::setGeometry(const QRect &rect) { QLayout::setGeometry(rect); @@ -140,7 +154,9 @@ QSize FlowLayout::minimumSize() const size += QSize(2*margin(), 2*margin()); return size; } +//! [8] +//! [9] int FlowLayout::doLayout(const QRect &rect, bool testOnly) const { int left, top, right, bottom; @@ -149,7 +165,9 @@ int FlowLayout::doLayout(const QRect &rect, bool testOnly) const int x = effectiveRect.x(); int y = effectiveRect.y(); int lineHeight = 0; +//! [9] +//! [10] QLayoutItem *item; foreach (item, itemList) { QWidget *wid = item->widget(); @@ -161,6 +179,8 @@ int FlowLayout::doLayout(const QRect &rect, bool testOnly) const if (spaceY == -1) spaceY = wid->style()->layoutSpacing( QSizePolicy::PushButton, QSizePolicy::PushButton, Qt::Vertical); +//! [10] +//! [11] int nextX = x + item->sizeHint().width() + spaceX; if (nextX - spaceX > effectiveRect.right() && lineHeight > 0) { x = effectiveRect.x(); @@ -177,7 +197,8 @@ int FlowLayout::doLayout(const QRect &rect, bool testOnly) const } return y + lineHeight - rect.y() + bottom; } - +//! [11] +//! [12] int FlowLayout::smartSpacing(QStyle::PixelMetric pm) const { QObject *parent = this->parent(); @@ -190,4 +211,4 @@ int FlowLayout::smartSpacing(QStyle::PixelMetric pm) const return static_cast<QLayout *>(parent)->spacing(); } } - +//! [12] |