X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/fed46e722a84470b223af674ccf3d4a7f57d17ab..270a909e20a2c652fd816ad14407113ad0319c9d:/include/wx/gtk/dnd.h?ds=sidebyside diff --git a/include/wx/gtk/dnd.h b/include/wx/gtk/dnd.h index 937fe1aa89..380d5c1d6a 100644 --- a/include/wx/gtk/dnd.h +++ b/include/wx/gtk/dnd.h @@ -15,20 +15,14 @@ #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" - -//------------------------------------------------------------------------- -// conditional compilation -//------------------------------------------------------------------------- - -#if (GTK_MINOR_VERSION == 1) -#if (GTK_MICRO_VERSION >= 3) -#define NEW_GTK_DND_CODE -#endif -#endif +#include "wx/icon.h" +#include "wx/gdicmn.h" //------------------------------------------------------------------------- // classes @@ -36,10 +30,6 @@ class wxWindow; -class wxDataObject; -class wxTextDataObject; -class wxFileDataObject; - class wxDropTarget; class wxTextDropTarget; class wxFileDropTarget; @@ -47,185 +37,80 @@ class wxFileDropTarget; class wxDropSource; //------------------------------------------------------------------------- -// wxDataObject +// wxDropTarget //------------------------------------------------------------------------- -class wxDataObject: public wxObject +class wxDropTarget: public wxDropTargetBase { public: + wxDropTarget(wxDataObject *dataObject = (wxDataObject*) NULL ); - wxDataObject() {}; - ~wxDataObject() {}; + 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(); - virtual wxDataFormat GetPreferredFormat() const = 0; - virtual bool IsSupportedFormat( wxDataFormat format ) const = 0; - virtual size_t GetDataSize() const = 0; - virtual void GetDataHere( void *data ) const = 0; + // implementation -}; + GdkAtom GetMatchingPair(); -// ---------------------------------------------------------------------------- -// wxTextDataObject is a specialization of wxDataObject for text data -// ---------------------------------------------------------------------------- + void RegisterWidget( GtkWidget *widget ); + void UnregisterWidget( GtkWidget *widget ); -class wxTextDataObject : public wxDataObject -{ -public: + GdkDragContext *m_dragContext; + GtkWidget *m_dragWidget; + GtkSelectionData *m_dragData; + guint m_dragTime; + bool m_firstMotion; /* gdk has no "gdk_drag_enter" event */ - wxTextDataObject() { } - wxTextDataObject(const wxString& strText) : m_strText(strText) { } - void Init(const wxString& strText) { m_strText = strText; } - - virtual wxDataFormat GetPreferredFormat() const - { return wxDF_TEXT; } - - virtual bool IsSupportedFormat(wxDataFormat format) const - { return format == wxDF_TEXT; } - - virtual size_t GetDataSize() const - { return m_strText.Len() + 1; } // +1 for trailing '\0' - - virtual void GetDataHere( void *data ) const - { memcpy(data, m_strText.c_str(), GetDataSize()); } - -private: - wxString m_strText; - + 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; } }; -// ---------------------------------------------------------------------------- -// wxFileDataObject is a specialization of wxDataObject for file names -// ---------------------------------------------------------------------------- +//------------------------------------------------------------------------- +// wxDropSource +//------------------------------------------------------------------------- -class wxFileDataObject : public wxDataObject +class wxDropSource: public wxDropSourceBase { public: + /* constructor. set data later with SetData() */ + wxDropSource( wxWindow *win, + const wxIcon &go = wxNullIcon ); - wxFileDataObject(void) { } - void AddFile( const wxString &file ) - { m_files += file; m_files += '\0'; } - - virtual wxDataFormat GetPreferredFormat() const - { return wxDF_FILENAME; } - - virtual bool IsSupportedFormat( wxDataFormat format ) const - { return format == wxDF_FILENAME; } - - virtual size_t GetDataSize() const - { return m_files.Len(); } // no trailing '\0' - - virtual void GetDataHere( void *data ) const - { memcpy(data, m_files.c_str(), GetDataSize()); } - -private: - wxString m_files; - -}; -//------------------------------------------------------------------------- -// wxDropTarget -//------------------------------------------------------------------------- + /* constructor for setting one data object */ + wxDropSource( wxDataObject& data, + wxWindow *win, + const wxIcon &go = wxNullIcon ); -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 ); -}; + ~wxDropSource(); -//------------------------------------------------------------------------- -// wxTextDropTarget -//------------------------------------------------------------------------- + /* start drag action */ + virtual wxDragResult DoDragDrop( bool bAllowMove = FALSE ); -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; -}; + /* GTK implementation */ + void RegisterWindow(); + void UnregisterWindow(); -// ---------------------------------------------------------------------------- -// A drop target which accepts files (dragged from File Manager or Explorer) -// ---------------------------------------------------------------------------- + void PrepareIcon( int hot_x, int hot_y, 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_icon; -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; -}; +#endif -#endif + // wxUSE_DRAG_AND_DROP + +#endif //__GTKDNDH__