#ifndef __SP_EVENT_CONTEXT_H__

#define __SP_EVENT_CONTEXT_H__

#include <glib-object.h>

#include <gdk/gdktypes.h>

#include <gdk/gdkevents.h>

struct GrDrag;

struct SPDesktop;

struct SPItem;

struct SPKnotHolder;

namespace NR {

class Point;

}

namespace Inkscape {

class MessageContext;

class SelCue;

namespace XML {

class Node;

}

}

struct SPEventContext : public GObject {

void enableSelectionCue (bool enable=true);

void enableGrDrag (bool enable=true);

/// Desktop eventcontext stack

SPEventContext *next;

unsigned key;

SPDesktop *desktop;

Inkscape::XML::Node *prefs_repr;

gchar **cursor_shape;

gint hot_x, hot_y;

GdkCursor *cursor;

gint xp, yp; ///< where drag started

gint tolerance;

bool within_tolerance; ///< are we still within tolerance of origin

SPItem *item_to_select; ///< the item where mouse_press occurred, to

///< be selected if this is a click not drag

Inkscape::MessageContext *defaultMessageContext() {

return _message_context;

}

Inkscape::MessageContext *_message_context;

Inkscape::SelCue *_selcue;

GrDrag *_grdrag;

GrDrag *get_drag () {return _grdrag;}

SPKnotHolder *shape_knot_holder;

Inkscape::XML::Node *shape_repr;

};

struct SPEventContextClass : public GObjectClass {

void (* setup)(SPEventContext *ec);

void (* finish)(SPEventContext *ec);

void (* set)(SPEventContext *ec, gchar const *key, gchar const *val);

void (* activate)(SPEventContext *ec);

void (* deactivate)(SPEventContext *ec);

gint (* root_handler)(SPEventContext *ec, GdkEvent *event);

gint (* item_handler)(SPEventContext *ec, SPItem *item, GdkEvent *event);

};

#define SP_EVENT_CONTEXT_DESKTOP(e) (SP_EVENT_CONTEXT(e)->desktop)

#define SP_EVENT_CONTEXT_STATIC 0

SPEventContext *sp_event_context_new(GType type, SPDesktop *desktop, Inkscape::XML::Node *prefs_repr, unsigned key);

void sp_event_context_finish(SPEventContext *ec);

void sp_event_context_read(SPEventContext *ec, gchar const *key);

void sp_event_context_activate(SPEventContext *ec);

void sp_event_context_deactivate(SPEventContext *ec);

gint sp_event_context_root_handler(SPEventContext *ec, GdkEvent *event);

gint sp_event_context_item_handler(SPEventContext *ec, SPItem *item, GdkEvent *event);

void sp_event_root_menu_popup(SPDesktop *desktop, SPItem *item, GdkEvent *event);

gint gobble_key_events(guint keyval, gint mask);

gint gobble_motion_events(gint mask);

void sp_event_context_update_cursor(SPEventContext *ec);

void sp_event_show_modifier_tip(Inkscape::MessageContext *message_context, GdkEvent *event,

gchar const *ctrl_tip, gchar const *shift_tip, gchar const *alt_tip);

guint get_group0_keyval(GdkEventKey *event);

SPItem *sp_event_context_find_item (SPDesktop *desktop, NR::Point const p, bool select_under, bool into_groups);

SPItem *sp_event_context_over_item (SPDesktop *desktop, SPItem *item, NR::Point const p);

void ec_shape_event_attr_changed(Inkscape::XML::Node *shape_repr,

gchar const *name, gchar const *old_value, gchar const *new_value,

bool const is_interactive, gpointer const data);

#endif