projects / wxWidgets.git / blame
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1 | \section{\class{wxLayoutConstraints}}\label{wxlayoutconstraints} |
| 2 | ||
| 3 | Objects of this class can be associated with a window to define its | |
| 4 | layout constraints, with respect to siblings or its parent. | |
| 5 | ||
| 6 | The class consists of the following eight constraints of class wxIndividualLayoutConstraint, | |
| 7 | some or all of which should be accessed directly to set the appropriate | |
| 8 | constraints. | |
| 9 | ||
| 10 | \begin{itemize}\itemsep=0pt | |
| 11 | \item {\bf left:} represents the left hand edge of the window | |
| 12 | \item {\bf right:} represents the right hand edge of the window | |
| 13 | \item {\bf top:} represents the top edge of the window | |
| 14 | \item {\bf bottom:} represents the bottom edge of the window | |
| 15 | \item {\bf width:} represents the width of the window | |
| 16 | \item {\bf height:} represents the height of the window | |
| 17 | \item {\bf centreX:} represents the horizontal centre point of the window | |
| 18 | \item {\bf centreY:} represents the vertical centre point of the window | |
| 19 | \end{itemize} | |
| 20 | ||
| 21 | Most constraints are initially set to have the relationship wxUnconstrained, | |
| 22 | which means that their values should be calculated by looking at known constraints. | |
| 23 | The exceptions are {\it width} and {\it height}, which are set to wxAsIs to | |
| 24 | ensure that if the user does not specify a constraint, the existing | |
| 25 | width and height will be used, to be compatible with panel items which often | |
| 26 | have take a default size. If the constraint is wxAsIs, the dimension will | |
| 27 | not be changed. | |
| 28 | ||
| 29 | \wxheading{Derived from} | |
| 30 | ||
| 31 | \helpref{wxObject}{wxobject} | |
| 32 | ||
| 33 | \wxheading{See also} | |
| 34 | ||
| 35 | \helpref{Overview and examples}{constraintsoverview},\rtfsp | |
| 36 | \helpref{wxIndividualLayoutConstraint}{wxindividuallayoutconstraint}, \helpref{wxWindow::SetConstraints}{wxwindowsetconstraints} | |
| 37 | ||
| 38 | \latexignore{\rtfignore{\wxheading{Members}}} | |
| 39 | ||
| 40 | \membersection{wxLayoutConstraints::wxLayoutConstraints} | |
| 41 | ||
| 42 | \func{}{wxLayoutConstraints}{\void} | |
| 43 | ||
| 44 | Constructor. | |
| 45 | ||
| 46 | \membersection{wxLayoutConstraints::bottom} | |
| 47 | ||
| 48 | \member{wxIndividualLayoutConstraint}{bottom} | |
| 49 | ||
| 50 | Constraint for the bottom edge. | |
| 51 | ||
| 52 | \membersection{wxLayoutConstraints::centreX} | |
| 53 | ||
| 54 | \member{wxIndividualLayoutConstraint}{centreX} | |
| 55 | ||
| 56 | Constraint for the horizontal centre point. | |
| 57 | ||
| 58 | \membersection{wxLayoutConstraints::centreY} | |
| 59 | ||
| 60 | \member{wxIndividualLayoutConstraint}{centreY} | |
| 61 | ||
| 62 | Constraint for the vertical centre point. | |
| 63 | ||
| 64 | \membersection{wxLayoutConstraints::height} | |
| 65 | ||
| 66 | \member{wxIndividualLayoutConstraint}{height} | |
| 67 | ||
| 68 | Constraint for the height. | |
| 69 | ||
| 70 | \membersection{wxLayoutConstraints::left} | |
| 71 | ||
| 72 | \member{wxIndividualLayoutConstraint}{left} | |
| 73 | ||
| 74 | Constraint for the left-hand edge. | |
| 75 | ||
| 76 | \membersection{wxLayoutConstraints::right} | |
| 77 | ||
| 78 | \member{wxIndividualLayoutConstraint}{right} | |
| 79 | ||
| 80 | Constraint for the right-hand edge. | |
| 81 | ||
| 82 | \membersection{wxLayoutConstraints::top} | |
| 83 | ||
| 84 | \member{wxIndividualLayoutConstraint}{top} | |
| 85 | ||
| 86 | Constraint for the top edge. | |
| 87 | ||
| 88 | \membersection{wxLayoutConstraints::width} | |
| 89 | ||
| 90 | \member{wxIndividualLayoutConstraint}{width} | |
| 91 | ||
| 92 | Constraint for the width. | |
| 93 | ||
| 94 |