some files I forgot to add previously...
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docs/latex/wx/dobjcomp.tex
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docs/latex/wx/dobjcomp.tex
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%% Name: dobjcomp.tex
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%% Purpose: wxDataObjectComposite 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{wxDataObjectComposite}}\label{wxdataobjectcomposite}
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wxDataObjectComposite is the simplest
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\helpref{wxDataObject}{wxdataobject} derivation which may be sued to support
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multiple formats. It contains several
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\helpref{wxDataObjectSimple}{wxdataobjectsimple} objects and supports any
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format supported by at least one of them. Only one of these data objects is
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{\it preferred} (the first one if not explicitly changed by using the second
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parameter of \helpref{Add}{wxdataobjectcompositeadd}) and its format determines
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the preferred format of the composite data object as well.
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See \helpref{wxDataObject}{wxdataobject} documentation for the reasons why you
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might prefer to use wxDataObject directly instead of wxDataObjectComposite for
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efficiency reasons.
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\wxheading{Virtual functions to override}
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None, this class should be used directly.
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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}{wxclipboardonfigoverview},
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\helpref{wxDataObject}{wxdataobject},
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\helpref{wxDataObjectSimple}{wxdataobjectsimple},
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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{wxDataObjectComposite::wxDataObjectComposite}\label{wxdataobjectcompositewxdataobjectcomposite}
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\func{}{wxDataObjectComposite}{\void}
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The default constructor.
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\membersection{wxDataObjectComposite::Add}\label{wxdataobjectcompositeadd}
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\func{void}{Add}{
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\param{wxDataObjectSimple }{*dataObject},
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\param{bool }{preferred = FALSE}}
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Adds the {\it dataObject} to the list of supported objects and it becomes the
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preferred object if {\it preferred} is TRUE.
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90
docs/latex/wx/dobjsmpl.tex
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docs/latex/wx/dobjsmpl.tex
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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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}{wxclipboardonfigoverview},
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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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54
docs/latex/wx/tsamples.tex
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docs/latex/wx/tsamples.tex
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%% Name: tsamples.tex
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%% Purpose: Samples description
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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) wxWindows team
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%% Licence: wxWindows licence
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\section{wxWindows samples}\label{samples}
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Probably the best way to learn wxWindows is by reading the source of some 50+
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samples provided with it. Many aspects of wxWindows programming can be learnt
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from them, but sometimes it is not simple to just choose the right sample to
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look at. This overview aims at describing what each sample does/demonstrates to
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make it easier to find the relevant one if a simple grep through all sources
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didn't help. They also provide some notes about using the samples and what
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features of wxWindows are they supposed to test.
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\subsection{DnD sample}{samplednd}
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This sample shows both clipboard and drag and drop in action. It is quite non
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trivial and may be safely used as a basis for implementing the clipboard and
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drag and drop operations in a real-life program.
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When you run the sample, its screen is split in several parts. On the top,
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there are two listboxes which show the standard derivations of
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\helpref{wxDropTarget}{wxdroptarget}:
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\helpref{wxTextDropTarget}{wxtextdroptarget} and
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\helpref{wxFileDropTarget}{wxfiledroptarget}.
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The middle of the sample window is taken by the log window which shows what is
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going on (of course, this only works in debug builds) and may be helpful to see
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the sequence of steps of data transfer.
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Finally, the last part is used for two things: you can drag text from it to
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either one of the listboxes (only one will accept it) or another application
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and, also, bitmap pasted from clipboard will be shown there.
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So far, everything we mentioned was implemented with minimal amount of code
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using standard wxWindows classes. The more advanced features are demonstrated
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if you create a shape frame from the main frame menu. A shape is a geometric
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object which has a position, size and color. It models some
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application-specific data in this sample. A shape object supports its own
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private \helpref{wxDataFormat}{wxdataformat} which means that you may cut and
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paste it or drag and drop (between one and the same or different shapes) from
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one sample instance to another (or the same). However, chances are that no
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other program supports this format and so shapes can also be rendered as
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bitmaps which allows them to be pasted/dropped in many other applications.
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Take a look at DnDShapeDataObject class to see how you may use
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\helpref{wxDataObject}{wxdataobject} to achieve this.
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