X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7b5d569973c2bf329a666c38e1612ca836695576..66c2bf7b1d9326fb650acfaae22ec50528cfbf7c:/include/wx/gtk/dnd.h diff --git a/include/wx/gtk/dnd.h b/include/wx/gtk/dnd.h index c437f0b3b1..0aea7b41f6 100644 --- a/include/wx/gtk/dnd.h +++ b/include/wx/gtk/dnd.h @@ -1,147 +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 - -#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; - -class wxDropTarget; -class wxTextDropTarget; -class wxFileDropTarget; +// ---------------------------------------------------------------------------- +// macros +// ---------------------------------------------------------------------------- -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 wxDropTargetBase +class WXDLLIMPEXP_CORE wxDropTarget: public wxDropTargetBase { public: - wxDropTarget(wxDataObject *dataObject = (wxDataObject*) NULL ); - + wxDropTarget(wxDataObject *dataObject = NULL ); + virtual wxDragResult OnDragOver(wxCoord x, wxCoord y, wxDragResult def); virtual bool OnDrop(wxCoord x, wxCoord y); - virtual bool OnData(wxCoord x, wxCoord y); + virtual wxDragResult OnData(wxCoord x, wxCoord y, wxDragResult def); virtual bool GetData(); - // implementation + // Can only be called during OnXXX methods. + wxDataFormat GetMatchingPair(); + + // implementation - GdkAtom GetMatchingPair(); + GdkAtom GTKGetMatchingPair(bool quiet = false); + wxDragResult GTKFigureOutSuggestedAction(); - void RegisterWidget( GtkWidget *widget ); - void UnregisterWidget( GtkWidget *widget ); + void GtkRegisterWidget( GtkWidget *widget ); + void GtkUnregisterWidget( GtkWidget *widget ); 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; } -}; - -// ---------------------------------------------------------------------------- -// A simple wxDropTarget derived class for text data: you only need to -// override OnDropText() to get something working -// ---------------------------------------------------------------------------- - -class wxTextDropTarget : public wxDropTarget -{ -public: - wxTextDropTarget(); - - virtual bool OnDropText(wxCoord x, wxCoord y, const wxString& text) = 0; - - virtual bool OnData(wxCoord x, wxCoord y); -}; - -// ---------------------------------------------------------------------------- -// A drop target which accepts files (dragged from File Manager or Explorer) -// ---------------------------------------------------------------------------- - -class wxFileDropTarget : public wxDropTarget -{ -public: - wxFileDropTarget(); - - // parameters are the number of files and the array of file names - virtual bool OnDropFiles(wxCoord x, wxCoord y, - const wxArrayString& filenames) = 0; - - virtual bool OnData(wxCoord x, wxCoord y); + 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 //------------------------------------------------------------------------- -class wxDropSource: public wxDropSourceBase +class WXDLLIMPEXP_CORE wxDropSource: public wxDropSourceBase { public: - /* constructor. set data later with SetData() */ - wxDropSource( wxWindow *win, - const wxIcon &go = wxNullIcon ); + // 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 */ + // constructor for setting one data object wxDropSource( wxDataObject& data, wxWindow *win, - const wxIcon &go = wxNullIcon ); + const wxIcon © = wxNullIcon, + const wxIcon &move = wxNullIcon, + const wxIcon &none = wxNullIcon); - ~wxDropSource(); + virtual ~wxDropSource(); - /* start drag action */ - virtual wxDragResult DoDragDrop( bool bAllowMove = FALSE ); + // 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; + } - /* GTK implementation */ - void RegisterWindow(); - void UnregisterWindow(); + // start drag action + virtual wxDragResult DoDragDrop(int flags = wxDrag_CopyOnly); + + void PrepareIcon( int action, GdkDragContext *context ); - void PrepareIcon( int hot_x, int hot_y, GdkDragContext *context ); - GtkWidget *m_widget; GtkWidget *m_iconWindow; GdkDragContext *m_dragContext; wxWindow *m_window; - + wxDragResult m_retValue; - wxIcon m_icon; - + wxIcon m_iconCopy, + m_iconMove, + m_iconNone; + bool m_waiting; -}; -#endif +private: + // common part of both ctors + void SetIcons(const wxIcon& copy, + const wxIcon& move, + const wxIcon& none); - // wxUSE_DRAG_AND_DROP + // GTK implementation + void GTKConnectDragSignals(); + void GTKDisconnectDragSignals(); + +}; -#endif - //__GTKDNDH__ +#endif // _WX_GTK_DND_H_