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Drag'n'Drop works in a basic form

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2150 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
1999-04-13 20:22:32 +00:00
parent 62bd5cf059
commit 5af019af85
4 changed files with 236 additions and 166 deletions
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26
include/wx/gtk1/dnd.h
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@@ -117,12 +117,23 @@ public:
virtual void OnLeave();
/* may be overridden to reject certain formats or drops
on certain areas */
on certain areas. always returns TRUE by default
indicating that you'd accept the data from the drag. */
virtual bool OnMove( int x, int y );
/* has to be overridden to accept drop. call GetData() to
indicate the format you request and get the data. */
/* has to be overridden to accept a drop event. call
IsSupported() to ask which formats are available
and then call RequestData() to indicate the format
you request. */
virtual bool OnDrop( int x, int y );
/* this gets called once the data has actually arrived. get
it with GetData(). this has to be overridden. */
virtual bool OnData( int x, int y );
/* called from within OnDrop() to request a certain format
from the drop event. */
bool RequestData( wxDataFormat format );
/* called to query what formats are available */
bool IsSupported( wxDataFormat format );
@@ -137,14 +148,13 @@ public:
GdkDragContext *m_dragContext;
GtkWidget *m_dragWidget;
GtkSelectionData *m_dragData;
guint m_dragTime;
bool m_firstMotion; /* gdk has no "gdk_drag_enter" event */
bool m_waiting; /* asynchronous process */
bool m_dataRetrieveSuccess;
wxDataObject *m_currentDataObject;
void SetDragContext( GdkDragContext *dc ) { m_dragContext = dc; }
void SetDragWidget( GtkWidget *w ) { m_dragWidget = w; }
void SetDragData( GtkSelectionData *sd ) { m_dragData = sd; }
void SetDragTime( guint time ) { m_dragTime = time; }
};
@@ -160,6 +170,7 @@ public:
virtual bool OnMove( int x, int y );
virtual bool OnDrop( int x, int y );
virtual bool OnData( int x, int y );
/* you have to override OnDropData to get at the text */
virtual bool OnDropText( int x, int y, const char *text ) = 0;
@@ -182,6 +193,7 @@ public:
virtual bool OnMove( int x, int y );
virtual bool OnDrop( int x, int y );
virtual bool OnData( int x, int y );
/* you have to override OnDropData to get at the data */
virtual bool OnDropData( int x, int y, void *data, size_t size ) = 0;
@@ -210,7 +222,7 @@ public:
virtual bool OnMove( int x, int y );
virtual bool OnDrop( int x, int y );
virtual void OnData( int x, int y );
virtual bool OnData( int x, int y );
/* you have to override OnDropFiles to get at the file names */
virtual bool OnDropFiles( int x, int y, size_t nFiles, const char * const aszFiles[] ) = 0;