X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ab8884aca6f480f3568167c7fe592a03e7e102b2..d9bd1a73ff69143ddc205d71e1953e8f26fd573d:/include/wx/gtk/dnd.h diff --git a/include/wx/gtk/dnd.h b/include/wx/gtk/dnd.h index f980749d13..ee679af13f 100644 --- a/include/wx/gtk/dnd.h +++ b/include/wx/gtk/dnd.h @@ -4,188 +4,110 @@ // 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" - -#if 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 - -//------------------------------------------------------------------------- -// classes -//------------------------------------------------------------------------- +class WXDLLIMPEXP_CORE wxDropTarget: public wxDropTargetBase +{ +public: + wxDropTarget(wxDataObject *dataObject = NULL ); -class wxWindow; + 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 wxDropTarget; -class wxTextDropTarget; -class wxFileDropTarget; -class wxPrivateDropTarget; + // Can only be called during OnXXX methods. + wxDataFormat GetMatchingPair(); -class wxDropSource; + // implementation -//------------------------------------------------------------------------- -// wxDropTarget -//------------------------------------------------------------------------- + GdkAtom GtkGetMatchingPair(bool quiet = false); -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 ); -}; + void GtkRegisterWidget( GtkWidget *widget ); + void GtkUnregisterWidget( GtkWidget *widget ); -//------------------------------------------------------------------------- -// wxTextDropTarget -//------------------------------------------------------------------------- + GdkDragContext *m_dragContext; + GtkWidget *m_dragWidget; + GtkSelectionData *m_dragData; + guint m_dragTime; + bool m_firstMotion; // gdk has no "gdk_drag_enter" event -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; + void GtkSetDragContext( GdkDragContext *dc ) { m_dragContext = dc; } + void GtkSetDragWidget( GtkWidget *w ) { m_dragWidget = w; } + void GtkSetDragData( GtkSelectionData *sd ) { m_dragData = sd; } + void GtkSetDragTime( guint time ) { m_dragTime = time; } }; //------------------------------------------------------------------------- -// wxPrivateDropTarget +// wxDropSource //------------------------------------------------------------------------- -class wxPrivateDropTarget: public wxDropTarget +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); - wxPrivateDropTarget(); - - // you have to override OnDrop to get at the data - - // the string ID identifies the format of clipboard or DnD data. a word - // processor would e.g. add a wxTextDataObject and a wxPrivateDataObject - // to the clipboard - the latter with the Id "WXWORD_FORMAT". - - void SetId( const wxString& id ) - { m_id = id; } - - wxString GetId() - { return m_id; } + // constructor for setting one data object + wxDropSource( wxDataObject& data, + wxWindow *win, + const wxIcon © = wxNullIcon, + const wxIcon &move = wxNullIcon, + const wxIcon &none = wxNullIcon); -private: + virtual ~wxDropSource(); - virtual size_t GetFormatCount() const; - virtual wxDataFormat GetFormat(size_t n) const; - - wxString m_id; -}; + // start drag action + virtual wxDragResult DoDragDrop(int flags = wxDrag_CopyOnly); -// ---------------------------------------------------------------------------- -// A drop target which accepts files (dragged from File Manager or Explorer) -// ---------------------------------------------------------------------------- + void PrepareIcon( int action, GdkDragContext *context ); -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; -}; + GtkWidget *m_widget; + GtkWidget *m_iconWindow; + GdkDragContext *m_dragContext; + wxWindow *m_window; -//------------------------------------------------------------------------- -// wxDropSource -//------------------------------------------------------------------------- + wxDragResult m_retValue; + wxIcon m_iconCopy, + m_iconMove, + m_iconNone; -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 - wxDragCancel // the operation was cancelled by user (not an error) -}; + bool m_waiting; -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; -}; +private: + // common part of both ctors + void SetIcons(const wxIcon& copy, + const wxIcon& move, + const wxIcon& none); -#endif + // GTK implementation + void GTKConnectDragSignals(); + void GTKDisconnectDragSignals(); - // wxUSE_DRAG_AND_DROP +}; -#endif - //__GTKDNDH__ +#endif // _WX_GTK_DND_H_