X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8e00741dbdf74ee5583ea8b0134f01023c8f2480..66c2bf7b1d9326fb650acfaae22ec50528cfbf7c:/include/wx/gtk/dnd.h diff --git a/include/wx/gtk/dnd.h b/include/wx/gtk/dnd.h index c43eeca35b..0aea7b41f6 100644 --- a/include/wx/gtk/dnd.h +++ b/include/wx/gtk/dnd.h @@ -1,151 +1,124 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: dnd.h +// Name: wx/gtk/dnd.h // Purpose: declaration of the wxDropTarget class // Author: Robert Roebling -// RCS-ID: $Id$ // Copyright: (c) 1998 Vadim Zeitlin, Robert Roebling -// Licence: wxWindows license +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// +#ifndef _WX_GTK_DND_H_ +#define _WX_GTK_DND_H_ -#ifndef __GTKDNDH__ -#define __GTKDNDH__ - -#ifdef __GNUG__ -#pragma interface -#endif - -#include "wx/defs.h" - -#if wxUSE_DRAG_AND_DROP - -#include "wx/object.h" -#include "wx/string.h" -#include "wx/dataobj.h" -#include "wx/cursor.h" #include "wx/icon.h" -#include "wx/gdicmn.h" - -//------------------------------------------------------------------------- -// classes -//------------------------------------------------------------------------- -class wxWindow; +// ---------------------------------------------------------------------------- +// macros +// ---------------------------------------------------------------------------- -class wxDropTarget; -class wxTextDropTarget; -class wxFileDropTarget; -class wxPrivateDropTarget; - -class wxDropSource; +// this macro may be used instead for wxDropSource ctor arguments: it will use +// the icon 'name' from an XPM file under GTK, but will expand to something +// else under MSW. If you don't use it, you will have to use #ifdef in the +// application code. +#define wxDROP_ICON(name) wxICON(name) //------------------------------------------------------------------------- // wxDropTarget //------------------------------------------------------------------------- -class wxDropTarget: public wxObject +class WXDLLIMPEXP_CORE wxDropTarget: public wxDropTargetBase { public: - wxDropTarget( wxDataObject *data ); - ~wxDropTarget(); - - /* may be overridden to react to events */ - virtual bool OnEnter( int x, int y ); - - virtual void OnLeave(); - - /* may be overridden to reject certain formats or drops - 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 ); + wxDropTarget(wxDataObject *dataObject = NULL ); - /* 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 ); + virtual wxDragResult OnDragOver(wxCoord x, wxCoord y, wxDragResult def); + virtual bool OnDrop(wxCoord x, wxCoord y); + virtual wxDragResult OnData(wxCoord x, wxCoord y, wxDragResult def); + virtual bool GetData(); - /* this gets called once the data has actually arrived. - it will call GetData() to fill up its wxDataObject */ - virtual bool OnData( int x, int y ); + // Can only be called during OnXXX methods. + wxDataFormat GetMatchingPair(); - /* fill data with data from the dragging source */ - bool GetData(); + // implementation -// implementation + GdkAtom GTKGetMatchingPair(bool quiet = false); + wxDragResult GTKFigureOutSuggestedAction(); - GdkAtom GetMatchingPair(); + void GtkRegisterWidget( GtkWidget *widget ); + void GtkUnregisterWidget( GtkWidget *widget ); - void RegisterWidget( GtkWidget *widget ); - void UnregisterWidget( GtkWidget *widget ); - - wxDataObject *m_data; GdkDragContext *m_dragContext; GtkWidget *m_dragWidget; GtkSelectionData *m_dragData; - guint m_dragTime; - bool m_firstMotion; /* gdk has no "gdk_drag_enter" event */ + unsigned m_dragTime; + bool m_firstMotion; // gdk has no "gdk_drag_enter" event - 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; } + void GTKSetDragContext( GdkDragContext *dc ) { m_dragContext = dc; } + void GTKSetDragWidget( GtkWidget *w ) { m_dragWidget = w; } + void GTKSetDragData( GtkSelectionData *sd ) { m_dragData = sd; } + void GTKSetDragTime(unsigned time) { m_dragTime = time; } }; //------------------------------------------------------------------------- // wxDropSource //------------------------------------------------------------------------- -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 (MSW only) - wxDragCancel // the operation was cancelled by user (not an error) -}; - -class wxDropSource: public wxObject +class WXDLLIMPEXP_CORE wxDropSource: public wxDropSourceBase { public: + // constructor. set data later with SetData() + wxDropSource( wxWindow *win = NULL, + const wxIcon © = wxNullIcon, + const wxIcon &move = wxNullIcon, + const wxIcon &none = wxNullIcon); + + // constructor for setting one data object + wxDropSource( wxDataObject& data, + wxWindow *win, + const wxIcon © = wxNullIcon, + const wxIcon &move = wxNullIcon, + const wxIcon &none = wxNullIcon); + + virtual ~wxDropSource(); + + // set the icon corresponding to given drag result + void SetIcon(wxDragResult res, const wxIcon& icon) + { + if ( res == wxDragCopy ) + m_iconCopy = icon; + else if ( res == wxDragMove ) + m_iconMove = icon; + else + m_iconNone = icon; + } + + // start drag action + virtual wxDragResult DoDragDrop(int flags = wxDrag_CopyOnly); + + void PrepareIcon( int action, GdkDragContext *context ); + + GtkWidget *m_widget; + GtkWidget *m_iconWindow; + GdkDragContext *m_dragContext; + wxWindow *m_window; + + wxDragResult m_retValue; + wxIcon m_iconCopy, + m_iconMove, + m_iconNone; + + bool m_waiting; + +private: + // common part of both ctors + void SetIcons(const wxIcon& copy, + const wxIcon& move, + const wxIcon& none); + + // GTK implementation + void GTKConnectDragSignals(); + void GTKDisconnectDragSignals(); - /* constructor. set data later with SetData() */ - wxDropSource( wxWindow *win, const wxIcon &go = wxNullIcon, const wxIcon &stop = wxNullIcon ); - - wxDropSource( wxDataObject& data, wxWindow *win, const wxIcon &go = wxNullIcon, const wxIcon &stop = wxNullIcon ); - ~wxDropSource(); - - void SetData( wxDataObject& data ); - - /* start drag action */ - wxDragResult DoDragDrop( bool bAllowMove = FALSE ); - - /* override to give feedback */ - virtual bool GiveFeedback( wxDragResult WXUNUSED(effect), bool WXUNUSED(bScrolling) ) { return TRUE; } - - /* GTK implementation */ - - void RegisterWindow(); - void UnregisterWindow(); - - GtkWidget *m_widget; - wxWindow *m_window; - wxDragResult m_retValue; - wxDataObject *m_data; - - wxCursor m_defaultCursor; - wxCursor m_goaheadCursor; - - wxIcon m_goIcon; - wxIcon m_stopIcon; - - bool m_waiting; }; -#endif - - // wxUSE_DRAG_AND_DROP - -#endif - //__GTKDNDH__ +#endif // _WX_GTK_DND_H_