X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0d2a2b601b1994333886dff8f53d82a714c4042f..e9e8b38179b147dd04f5c19af7e56a94342e93a7:/include/wx/gtk/dnd.h?ds=inline diff --git a/include/wx/gtk/dnd.h b/include/wx/gtk/dnd.h index 998f656c59..30e356ee61 100644 --- a/include/wx/gtk/dnd.h +++ b/include/wx/gtk/dnd.h @@ -4,200 +4,111 @@ // 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 +// ---------------------------------------------------------------------------- +// macros +// ---------------------------------------------------------------------------- -#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" +// 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; -class wxPrivateDropTarget; + // 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; - - // implementation - - void RegisterWidget( GtkWidget *widget ); - void UnregisterWidget( GtkWidget *widget ); - - wxDataFormat *m_format; -}; - -//------------------------------------------------------------------------- -// 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; + 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 "application/wxword" or - // "image/png". - - void SetId( const wxString& 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; - - 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; -}; + 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 (MSW only) - wxDragCancel // the operation was cancelled by user (not an error) -}; + bool m_waiting; -class wxDropSource: public wxObject -{ - public: - - /* constructor. set data later with SetData() */ - wxDropSource( wxWindow *win ); - - /* constructor for setting one data object */ - wxDropSource( wxDataObject *data, wxWindow *win ); - - /* constructor for setting several data objects via wxDataBroker */ - wxDropSource( wxDataBroker *data, wxWindow *win ); - - ~wxDropSource(void); - - /* set one dataobject */ - void SetData( wxDataBroker *data ); - - /* set severa dataobjects via wxDataBroker */ - 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); - void UnregisterWindow(void); - - GtkWidget *m_widget; - wxWindow *m_window; - wxDragResult m_retValue; - wxDataBroker *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_