1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
#ifndef __SP_EVENT_CONTEXT_H__
#define __SP_EVENT_CONTEXT_H__
/** \file
* SPEventContext: base class for event processors
*
* This is per desktop object, which (its derivatives) implements
* different actions bound to mouse events.
*
* Authors:
* Lauris Kaplinski <lauris@kaplinski.com>
* Frank Felfe <innerspace@iname.com>
*
* Copyright (C) 1999-2002 authors
* Copyright (C) 2001-2002 Ximian, Inc.
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include <glib-object.h>
#include <gdk/gdktypes.h>
#include <gdk/gdkevents.h>
struct GrDrag;
struct SPDesktop;
struct SPItem;
class KnotHolder;
namespace NR {
class Point;
}
namespace Inkscape {
class MessageContext;
class SelCue;
namespace XML {
class Node;
}
}
/**
* Base class for Event processors.
*/
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 const *const *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;}
KnotHolder *shape_knot_holder;
Inkscape::XML::Node *shape_repr;
bool space_panning;
};
/**
* The SPEvent vtable.
*/
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_DOCUMENT(e) ((SP_EVENT_CONTEXT_DESKTOP(e))->doc())
#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
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :
|
