7f24fdbfea
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4362 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
91 lines
3.1 KiB
TeX
91 lines
3.1 KiB
TeX
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%% Name: dobjsmpl.tex
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%% Purpose: wxDataObjectSimple documentation
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%% Author: Vadim Zeitlin
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%% Modified by:
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%% Created: 02.11.99
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%% RCS-ID: $Id$
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%% Copyright: (c) Vadim Zeitlin
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%% Licence: wxWindows licence
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\section{\class{wxDataObjectSimple}}\label{wxdataobjectsimple}
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This is the simplest possible implementation of
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\helpref{wxDataObject}{wxdataobject} class. The data object of (a class derived
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from) this class only supports one format, so the number of virtual functions
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to be implemented is reduced.
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Notice that this is still an abstract base class and cannot be used but should
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be derived from.
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\wxheading{Virtual functions to override}
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The objects supporting rendering the data must override
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\helpref{GetDataSize}{wxdataobjectsimplegetdatasize} and
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\helpref{GetDataHere}{wxdataobjectsimplegetdatahere} while the objects which
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may be set must override \helpref{SetData}{wxdataobjectsimplesetdata}. Of
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course, the objects supporting both operations must override all threee
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methods.
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\wxheading{Derived from}
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\helpref{wxDataObject}{wxdataobject}
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\wxheading{Include files}
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<wx/dataobj.h>
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\wxheading{See also}
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\helpref{Clipboard and drag and drop overview}{wxdndoverview},
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\helpref{DnD sample}{samplednd},
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\helpref{wxFileDataObject}{wxfiledataobject},
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\helpref{wxTextDataObject}{wxtextdataobject},
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\helpref{wxBitmapDataObject}{wxbitmapdataobject}
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\latexignore{\rtfignore{\wxheading{Members}}}
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\membersection{wxDataObjectSimple::wxDataObjectSimple}\label{wxdataobjectsimplewxdataobjectsimple}
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\func{}{wxDataObjectSimple}{\param{const wxDataFormat\&}{ format = wxFormatInvalid}}
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Constructor accepts the supported format (none by default) which may also be
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set later with \helpref{SetFormat}{wxdataobjectsimplesetformat}.
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\membersection{wxDataObjectSimple::GetFormat}\label{wxdataobjectsimplegetformat}
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\constfunc{const wxDataFormat\&}{GetFormat}{\void}
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Returns the (one and only one) format supported by this object. It is supposed
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that the format is supported in both directions.
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\membersection{wxDataObjectSimple::SetFormat}\label{wxdataobjectsimplesetformat}
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\func{void}{SetFormat}{\param{const wxDataFormat\&}{ format}}
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Sets the supported format.
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\membersection{wxDataObjectSimple::GetDataSize}\label{wxdataobjectsimplegetdatasize}
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\constfunc{virtual size\_t}{GetDataSize}{\void}
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Gets the size of our data. Must be implemented in the derived class if the
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object supports rendering its data.
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\membersection{wxDataObjectSimple::GetDataHere}\label{wxdataobjectsimplegetdatahere}
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\constfunc{virtual bool}{GetDataHere}{\param{void }{*buf}}
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Copy the data to the buffer, return TRUE on success. Must be implemented in the
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derived class if the object supports rendering its data.
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\membersection{wxDataObjectSimple::SetData}\label{wxdataobjectsimplesetdata}
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\func{virtual bool}{SetData}{\param{size\_t }{len}, \param{const void }{*buf}}
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Copy the data from the buffer, return TRUE on success. Must be implemented in
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the derived class if the object supports setting its data.
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