QwtDynGridLayout takes the space it gets, divides it up into rows and columns, and puts each of the widgets it manages into the correct cell(s). It lays out as many number of columns as possible (limited by maxCols()).
Definition at line 30 of file qwt_dyngrid_layout.h.
Public Member Functions | |
QwtDynGridLayout (QWidget *, int margin=0, int space=-1, const char *name=0) | |
QwtDynGridLayout (QLayout *, int space=-1, const char *name=0) | |
QwtDynGridLayout (int space=-1, const char *name=0) | |
virtual | ~QwtDynGridLayout () |
virtual void | invalidate () |
void | setMaxCols (uint maxCols) |
uint | maxCols () const |
uint | numRows () const |
uint | numCols () const |
virtual void | addItem (QLayoutItem *) |
virtual QLayoutIterator | iterator () |
virtual int | maxItemWidth () const |
virtual void | setGeometry (const QRect &rect) |
virtual bool | hasHeightForWidth () const |
virtual int | heightForWidth (int) const |
virtual QSize | sizeHint () const |
void | setExpanding (QSizePolicy::ExpandData) |
virtual QSizePolicy::ExpandData | expanding () const |
virtual bool | isEmpty () const |
uint | itemCount () const |
virtual uint | columnsForWidth (int width) const |
QValueList< QRect > | layoutItems (const QRect &, uint numCols) const |
Protected Member Functions | |
void | layoutGrid (uint numCols, QwtArray< int > &rowHeight, QwtArray< int > &colWidth) const |
void | stretchGrid (const QRect &rect, uint numCols, QwtArray< int > &rowHeight, QwtArray< int > &colWidth) const |
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Destructor. Definition at line 124 of file qwt_dyngrid_layout.cpp. |
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Adds item to the next free position. Definition at line 176 of file qwt_dyngrid_layout.cpp. |
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Calculate the number of columns for a given width. It tries to use as many columns as possible (limited by maxCols())
References isEmpty(), itemCount(), maxCols(), and numCols(). Referenced by heightForWidth(), QwtPlot::printLegend(), and setGeometry(). |
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Returns whether this layout can make use of more space than sizeHint(). A value of Vertical or Horizontal means that it wants to grow in only one dimension, while BothDirections means that it wants to grow in both dimensions.
Referenced by layoutItems(), and stretchGrid(). |
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References columnsForWidth(), isEmpty(), itemCount(), layoutGrid(), numCols(), and numRows(). Referenced by QwtLegend::layoutContents(). |
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Referenced by columnsForWidth(), heightForWidth(), layoutItems(), maxItemWidth(), setGeometry(), sizeHint(), and stretchGrid(). |
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Referenced by columnsForWidth(), heightForWidth(), layoutItems(), setGeometry(), sizeHint(), and stretchGrid(). |
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Referenced by QwtPlot::printLegend(). |
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Calculate the dimensions for the columns and rows for a grid of numCols columns.
Referenced by heightForWidth(), layoutItems(), and sizeHint(). |
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Calculate the geometries of the layout items for a layout with numCols columns and a given rect.
References d_maxCols, expanding(), isEmpty(), itemCount(), layoutGrid(), maxCols(), numRows(), and stretchGrid(). Referenced by QwtPlot::printLegend(), and setGeometry(). |
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Return the upper limit for the number of columns. 0 means unlimited, what is the default.
Referenced by columnsForWidth(), and layoutItems(). |
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References isEmpty(). Referenced by QwtLegend::layoutContents(). |
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Referenced by columnsForWidth(), heightForWidth(), and sizeHint(). |
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Referenced by heightForWidth(), layoutItems(), sizeHint(), and stretchGrid(). |
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Set whether this layout can make use of more space than sizeHint(). A value of Vertical or Horizontal means that it wants to grow in only one dimension, while BothDirections means that it wants to grow in both dimensions. The default value is NoDirection.
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Reorganizes columns and rows and resizes managed widgets within the rectangle rect. Definition at line 215 of file qwt_dyngrid_layout.cpp. References columnsForWidth(), isEmpty(), itemCount(), and layoutItems(). |
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Limit the number of columns.
Referenced by QwtPlot::setLegendPosition(). |
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Return the size hint. If maxCols() > 0 it is the size for a grid with maxCols() columns, otherwise it is the size for a grid with only one row. Definition at line 565 of file qwt_dyngrid_layout.cpp.References isEmpty(), itemCount(), layoutGrid(), numCols(), and numRows(). |
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Stretch columns in case of expanding() & QSizePolicy::Horizontal and rows in case of expanding() & QSizePolicy::Vertical to fill the entire rect. Rows and columns are stretched with the same factor. Definition at line 505 of file qwt_dyngrid_layout.cpp.References expanding(), isEmpty(), itemCount(), and numRows(). Referenced by layoutItems(). |