X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/dface61ccba162c922b25d18aca2ebc4e6f03312..a0c2e4a050f4f2e8d344483ba4cfaa8b08a1fe87:/docs/latex/wx/dropsrc.tex diff --git a/docs/latex/wx/dropsrc.tex b/docs/latex/wx/dropsrc.tex index 077ad1c69f..23055438d3 100644 --- a/docs/latex/wx/dropsrc.tex +++ b/docs/latex/wx/dropsrc.tex @@ -1,52 +1,72 @@ \section{\class{wxDropSource}}\label{wxdropsource} -\overview{Overview}{wxdndoverview} - This class represents a source for a drag and drop operation. +See \helpref{Drag and drop overview}{wxdndoverview} and \helpref{wxDataObject overview}{wxdataobjectoverview} +for more information. + \wxheading{Derived from} -\helpref{wxObject}{wxobject} +None + +\wxheading{Include files} + + + +\wxheading{Library} + +\helpref{wxCore}{librarieslist} \wxheading{Types} \index{wxDragResult}wxDragResult is defined as follows: -{\small\begin{verbatim} +\begin{verbatim} enum wxDragResult - { +{ wxDragError, // error prevented the d&d operation from completing wxDragNone, // drag target didn't accept the data wxDragCopy, // the data was successfully copied - wxDragMove, // the data was successfully moved + wxDragMove, // the data was successfully moved (MSW only) + wxDragLink, // operation is a drag-link wxDragCancel // the operation was cancelled by user (not an error) - }; -\end{verbatim}% -} +}; +\end{verbatim} \wxheading{See also} -\helpref{Drag and drop overview}{wxdndoverview}, \helpref{wxDropTarget}{wxdroptarget}, +\helpref{wxDropTarget}{wxdroptarget}, \helpref{wxTextDropTarget}{wxtextdroptarget}, \helpref{wxFileDropTarget}{wxfiledroptarget} \latexignore{\rtfignore{\wxheading{Members}}} \membersection{wxDropSource::wxDropSource}\label{wxdropsourcewxdropsource} -\func{}{wxDropSource}{\param{wxWindow }{*win = NULL}} +\func{}{wxDropSource}{\param{wxWindow*}{ win = NULL},\param{const wxIconOrCursor\& }{iconCopy = wxNullIconOrCursor}, \param{const wxIconOrCursor\& }{iconMove = wxNullIconOrCursor}, \param{const wxIconOrCursor\& }{iconNone = wxNullIconOrCursor}} + +\func{}{wxDropSource}{\param{wxDataObject\&}{ data}, \param{wxWindow*}{ win = NULL},\param{const wxIconOrCursor\& }{iconCopy = wxNullIconOrCursor}, \param{const wxIconOrCursor\& }{iconMove = wxNullIconOrCursor}, \param{const wxIconOrCursor\& }{iconNone = wxNullIconOrCursor}} -Default/wxGTK-specific constructor. If you use the default constructor you must -call \helpref{wxDropSource::SetData}{wxdropsourcesetdata} later. +The constructors for wxDataObject. -{\it win} is only used by wxGTK. TODO: in what circumstances? +If you use the constructor without {\it data} parameter you must call +\helpref{SetData}{wxdropsourcesetdata} later. -\func{}{wxDropSource}{\param{wxDataObject }{\&data}, \param{wxWindow }{*win = NULL}} +Note that the exact type of {\it iconCopy} and subsequent parameters differs +between wxMSW and wxGTK: these are cursors under Windows but icons for GTK. +You should use the macro \helpref{wxDROP\_ICON}{wxdropicon} in portable +programs instead of directly using either of these types. \wxheading{Parameters} -\docparam{data}{A reference to the \helpref{data object}{wxdataobject} associated with the drop source.} +\docparam{win}{The window which initiates the drag and drop operation.} -\docparam{win}{Only used by wxGTK. TODO} +\docparam{iconCopy}{The icon or cursor used for feedback for copy operation.} + +\docparam{iconMove}{The icon or cursor used for feedback for move operation.} + +\docparam{iconNone}{The icon or cursor used for feedback when operation can't be done.} + +{\it win} is the window which initiates the drag and drop operation. \membersection{wxDropSource::\destruct{wxDropSource}}\label{wxdropsourcedtor} @@ -54,21 +74,40 @@ call \helpref{wxDropSource::SetData}{wxdropsourcesetdata} later. \membersection{wxDropSource::SetData}\label{wxdropsourcesetdata} -\func{void}{SetData}{\param{wxDataObject }{\&data}} +\func{void}{SetData}{\param{wxDataObject\&}{ data}} -Sets the data \helpref{data object}{wxdataobject} associated with the drop source. +Sets the data \helpref{wxDataObject}{wxdataobject} associated with the +drop source. This will not delete any previously associated data. \membersection{wxDropSource::DoDragDrop}\label{wxdropsourcedodragdrop} -\func{virtual wxDragResult}{DoDragDrop}{\param{bool }{bAllowMove = FALSE}} +\func{virtual wxDragResult}{DoDragDrop}{\param{int }{flags = {\tt wxDrag\_CopyOnly}}} -Do it (call this in response to a mouse button press, for example). +Do it (call this in response to a mouse button press, for example). This starts +the drag-and-drop operation which will terminate when the user releases the +mouse. -If {\bf bAllowMove} is FALSE, data can only be copied. +\wxheading{Parameters} + +\docparam{flags}{If {\tt wxDrag\_AllowMove} is included in the flags, data may +be moved and not only copied (default). If {\tt wxDrag\_DefaultMove} is +specified (which includes the previous flag), this is even the default +operation}. + +\wxheading{Return value} + +Returns the operation requested by the user, may be {\tt wxDragCopy}, {\tt +wxDragMove}, {\tt wxDragLink}, {\tt wxDragCancel} or {\tt wxDragNone} if an error occurred. + +\membersection{wxDropSource::GetDataObject}\label{wxdropsourcegetdataobject} + +\func{wxDataObject *}{GetDataObject}{\void} + +Returns the wxDataObject object that has been assigned previously. \membersection{wxDropSource::GiveFeedback}\label{wxdropsourcegivefeedback} -\func{virtual bool}{GiveFeedback}{\param{wxDragResult }{effect}, \param{bool }{bScrolling}} +\func{virtual bool}{GiveFeedback}{\param{wxDragResult }{effect}} Overridable: you may give some custom UI feedback during the drag and drop operation in this function. It is called on each mouse move, so your implementation must not be too @@ -76,12 +115,24 @@ slow. \wxheading{Parameters} -\docparam{effect}{The effect to implement. One of wxDragCopy, wxDragMove.} +\docparam{effect}{The effect to implement. One of {\tt wxDragCopy}, {\tt wxDragMove}, {\tt wxDragLink} and {\tt wxDragNone}. } -\docparam{bScrolling}{TRUE if the window is scrolling.} +\docparam{scrolling}{true if the window is scrolling. MSW only. } \wxheading{Return value} -Return FALSE if you want default feedback, or TRUE if you implement your own -feedback. +Return false if you want default feedback, or true if you implement your own +feedback. The return values is ignored under GTK. + +\membersection{wxDropSource::SetCursor}\label{wxdropsourcesetcursor} + +\func{void}{SetCursor}{\param{wxDragResult }{res}, \param{const wxCursor\& }{cursor}} + +Set the icon to use for a certain drag result. + +\wxheading{Parameters} + +\docparam{res}{The drag result to set the icon for. } + +\docparam{cursor}{The ion to show when this drag result occurs. }