X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ac57418f39e9671c18b99942180563146625d3ae..d642db66a5efc82d374b813022c72ba88bc50839:/include/wx/gtk/dnd.h?ds=inline diff --git a/include/wx/gtk/dnd.h b/include/wx/gtk/dnd.h index ba56769328..c9f677d3c7 100644 --- a/include/wx/gtk/dnd.h +++ b/include/wx/gtk/dnd.h @@ -1,160 +1,125 @@ /////////////////////////////////////////////////////////////////////////////// -// 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__ +#include "wx/icon.h" -#ifdef __GNUG__ -#pragma interface -#endif - -#include "wx/defs.h" - -#ifdef wxUSE_DRAG_AND_DROP +// ---------------------------------------------------------------------------- +// macros +// ---------------------------------------------------------------------------- -#include "wx/object.h" -#include "wx/string.h" -#include "wx/dataobj.h" -#include "wx/cursor.h" +// 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) //------------------------------------------------------------------------- -// conditional compilation +// wxDropTarget //------------------------------------------------------------------------- -#if (GTK_MINOR_VERSION == 1) -#if (GTK_MICRO_VERSION >= 3) -#define NEW_GTK_DND_CODE -#endif -#endif +class WXDLLIMPEXP_CORE wxDropTarget: public wxDropTargetBase +{ +public: + wxDropTarget(wxDataObject *dataObject = NULL ); -//------------------------------------------------------------------------- -// classes -//------------------------------------------------------------------------- + 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(); -class wxWindow; + // Can only be called during OnXXX methods. + wxDataFormat GetMatchingPair(); -class wxDropTarget; -class wxTextDropTarget; -class wxFileDropTarget; + // implementation -class wxDropSource; + GdkAtom GTKGetMatchingPair(bool quiet = false); + wxDragResult GTKFigureOutSuggestedAction(); -//------------------------------------------------------------------------- -// wxDropTarget -//------------------------------------------------------------------------- + void GtkRegisterWidget( GtkWidget *widget ); + void GtkUnregisterWidget( GtkWidget *widget ); -class wxDropTarget: public wxObject -{ - public: - - wxDropTarget(); - ~wxDropTarget(); - - virtual void OnEnter() { } - virtual void OnLeave() { } - virtual bool OnDrop( long x, long y, const void *data, size_t size ) = 0; - - // Override these to indicate what kind of data you support: - - virtual size_t GetFormatCount() const = 0; - virtual wxDataFormat GetFormat(size_t n) const = 0; - - // implementation - - void RegisterWidget( GtkWidget *widget ); - void UnregisterWidget( GtkWidget *widget ); -}; + GdkDragContext *m_dragContext; + GtkWidget *m_dragWidget; + GtkSelectionData *m_dragData; + unsigned m_dragTime; + bool m_firstMotion; // gdk has no "gdk_drag_enter" event -//------------------------------------------------------------------------- -// wxTextDropTarget -//------------------------------------------------------------------------- - -class wxTextDropTarget: public wxDropTarget -{ - public: - - wxTextDropTarget() {}; - virtual bool OnDrop( long x, long y, const void *data, size_t size ); - virtual bool OnDropText( long x, long y, const char *psz ); - - protected: - - virtual size_t GetFormatCount() const; - virtual wxDataFormat GetFormat(size_t n) const; -}; - -// ---------------------------------------------------------------------------- -// A drop target which accepts files (dragged from File Manager or Explorer) -// ---------------------------------------------------------------------------- - -class wxFileDropTarget: public wxDropTarget -{ - public: - - wxFileDropTarget() {}; - - virtual bool OnDrop( long x, long y, const void *data, size_t size ); - virtual bool OnDropFiles( long x, long y, - size_t nFiles, const char * const aszFiles[] ); - - protected: - - virtual size_t GetFormatCount() const; - virtual wxDataFormat GetFormat(size_t n) const; + 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 +class WXDLLIMPEXP_CORE wxDropSource: public wxDropSourceBase { - 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 - wxDragCancel // the operation was cancelled by user (not an error) -}; +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(); -class wxDropSource: public wxObject -{ - public: - - wxDropSource( wxWindow *win ); - wxDropSource( wxDataObject &data, wxWindow *win ); - - ~wxDropSource(void); - - void SetData( wxDataObject &data ); - wxDragResult DoDragDrop( bool bAllowMove = FALSE ); - - virtual bool GiveFeedback( wxDragResult WXUNUSED(effect), bool WXUNUSED(bScrolling) ) { return TRUE; }; - - // implementation - - void RegisterWindow(void); - void UnregisterWindow(void); - - GtkWidget *m_widget; - wxWindow *m_window; - wxDragResult m_retValue; - wxDataObject *m_data; - - wxCursor m_defaultCursor; - wxCursor m_goaheadCursor; }; -#endif - - // wxUSE_DRAG_AND_DROP - -#endif - //__GTKDNDH__ +#endif // _WX_GTK_DND_H_